A cuboid bunker is 8 meters long, 3.5 meters wide, and 0.5 meters deep. How much sand is needed to fill the bunker?
一个长方体沙坑，长8米，宽3.5米，深0.5米，填满沙坑需要多少沙子？
<gadget id="calculator">8 * 3.5 * 0.5</gadget>
<output>14</output>

<result>14</result>