cuboid wooden box with a square bottom, if you unfold its sides, you will get exactly a square with a side length of 60cm. Find the volume of this cuboid box.
一个底面是正方形的长方体木箱，如果把它的侧面展开，正好得到一个边长是60cm的正方形．求这个长方体木箱的体积．
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">15 * 15 * 60</gadget>
<output>13_500</output>

<result>13_500</result>