A cuboid has a base area of 3 square meters and a volume of 120 cubic decimeters. What is its height?
一块长方体木板的底面积是3平方米，体积是120立方分米它的高是多少．
<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">120 / 300</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>