The factory produced a batch of cuboid packing boxes, 0.6 meters long, 0.4 meters wide, and 0.5 meters high, and they had to be pulled away by a truck. The bottom area of this truck was 7.2 square decimeters, and it could only Two floors, how many boxes can be loaded at most?
工厂里生产了一批长方体的包装箱，长0.6米，宽0.4米，高0.5米，要用一辆卡车把他们拉走，这辆卡车厢的底面积是7.2平方分米，且只能码两层，问最多可以装多少个包装箱？
<gadget id="calculator">0.5 * 0.4</gadget>
<output>0.2</output>

<gadget id="calculator">7.2 / 0.2</gadget>
<output>36</output>

<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<result>72</result>