天才小熊猫

<p class="p0" style="text-align:justify;"> <span style="font-size:10.5pt;font-family:'Times New Roman';font-weight:normal;">作为学<span>IT</span><span>的精英人才，平时一定要注意保持体形。否则很有可能发生形变，比如成为这样：</span></span><span style="font-size:10.5pt;font-family:'Times New Roman';font-weight:normal;"></span> </p> <p class="p0" style="text-align:justify;"> <span style="font-size:10.5pt;font-family:'Times New Roman';font-weight:normal;"></span> </p> <p class="p0"> <img alt="" src="http://tk.hustoj.com/attached/image/20140520/20140520131411_55509.jpg" /><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p> <p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">虽然熊猫看上去很可爱，不过胖成球就不太好了<span>……</span></span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p> <p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">对了，输入球的半径，你还会计算球的体积吗？</span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p> <p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">我们在这里设定<span>π</span><span>为</span><span>3.1415927</span><span>。</span></span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p>

<p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">Page 一行<span>T</span><span>，表示有</span><span>T</span><span>组数据。</span></span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p> <p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">接下来<span>T</span><span>行，每行由一items数</span><span>k</span><span>组成</span><span>(0.00&lt;k&lt;10000.00)</span><span>，表示球的半径</span></span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p>

<p class="p0"> <span style="font-size:10.5pt;font-family:'Times New Roman';">每组输出一items数字，表示球的体积。结果保留三位小数。</span><span style="font-size:10.5pt;font-family:'Times New Roman';"></span> </p>