In a cuboid fish tank with a length of 6 decimeters, a width of 5 decimeters, and a height of 12 decimeters, pour 180 liters of water, how deep is the water?
在一个长6分米，宽5分米，高12分米的长方体鱼缸里，倒入180升水，水有多深？
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">180 / 30</gadget>
<output>6</output>

<result>6</result>