It is known that the volume of a cuboid is 100 cubic meters, the area of the base is 20 square meters, and the height is decimeters.
已知长方体的体积是100立方米，底面积是20平方米，高是多少分米．
<gadget id="calculator">100 / 20</gadget>
<output>5</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<result>50</result>