A sweet potato is submerged in a cube glass jar with a side length of 2 decimeters (all submerged), and the water level rises by 0.2 cm. What is the volume of this sweet potato?
把一个红薯浸没到棱长是2分米的正方体玻璃缸中(全部浸入)，水面上升了0.2厘米，这个红薯的体积是多少？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 * 20 * 0.2</gadget>
<output>80</output>

<result>80</result>