A bunker is 4 meters long, 1.5 meters wide, and 0.5 meters deep. How many square meters does the bunker occupy?
一个沙坑长4米，宽1.5米，深0.5米，这个沙坑占地多少平方米．
<gadget id="calculator">4 * 1.5</gadget>
<output>6</output>

<result>6</result>