There is a cuboid pool, 12 meters long, 8 meters wide, and 4.5 meters deep. Now use a water pump to pour water from the river into the pool, and discharge 16 cubic meters of water per minute. How long will it take to fill the pool?
有一个长方体水池，长12米，宽8米，深4.5米．现用一台抽水机从河里往水池里放水，每分放水16立方米，多长时间可放满水池？
<gadget id="calculator">4.5 / 16</gadget>
<output>0.28125</output>

<gadget id="calculator">12 * 8 * 0.28125</gadget>
<output>27</output>

<result>27</result>