If the front and top of a cuboid with a height of 3 cm are expanded to form a square with a side length of 10 cm, what is the volume of the cuboid in cubic centimeters?
把一个高3厘米的长方体的前面和上面展开正好是一个边长10厘米的正方形，这个长方体的体积是多少立方厘米．
<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">10 * 7 * 3</gadget>
<output>210</output>

<result>210</result>