A cuboid stone weighing 20 tons covers an area of 5 square meters. It is known that each cubic meter weighs 2 tons. What is the height of the stone in meters?
一个重20吨长方体石料占地5平方米，已知每立方米重2吨，那么石料的高是多少米．
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<result>2</result>