Pour 60 liters of water into a cuboid water tank with a length of 6 decimeters and a width of 2.5 decimeters. If it is just full, how deep is the water tank?
把60升水倒入一个长为6分米，宽为2.5分米的长方体水箱内，正好倒满，这个水箱深多少分米．
<gadget id="calculator">6 * 2.5</gadget>
<output>15</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

<result>4</result>