Dig a cuboid vegetable cellar whose length and width are both 5 meters. How many meters should be dug to make the vegetable cellar volume 50 cubic meters?
挖一个长和宽都是5米的长方体菜窖，要使菜窖的容积是50立方米，应该挖多少米深．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">50 / 25</gadget>
<output>2</output>

<result>2</result>