The school has a sandpit with a length of 3 meters and a width of 1.5 meters. The sandpit is filled with 3.6 cubic meters of yellow sand. How deep is the sandpit?
学校有一个长3米，宽1.5米的沙坑，用3.6立方米的黄沙正好把这个沙坑填满，这个沙坑有多深？
<gadget id="calculator">3 * 1.5</gadget>
<output>4.5</output>

<gadget id="calculator">3.6 / 4.5</gadget>
<output>0.8</output>

<result>0.8</result>