The compartment of a refrigerated truck is a cuboid, 3 meters long, 2 meters wide and 1.8 meters high when measured from the inside. If the food is only put in half the height, what is the volume of the food in cubic meters?
一种冷藏车的车厢是长方体，从里面量长3米，宽2米，高1.8米．如果里面食物只放到一半的高度，食物的体积是多少立方米？
<gadget id="calculator">1.8 / 2</gadget>
<output>0.9</output>

<gadget id="calculator">3 * 2 * 0.9</gadget>
<output>5.4</output>

<result>5.4</result>