A rectangular pool with a length of 20 meters, a width of 12 meters, and a depth of 3 meters, if 4.5 cubic meters of water is injected into the pool every minute, how many minutes can the pool be filled?
一个长20米，宽12米，深3米的长方形水池，如果每分钟向水池注水4.5立方米，几分钟可以注满水池？
<gadget id="calculator">20 * 12 * 3</gadget>
<output>720</output>

<gadget id="calculator">720 / 4.5</gadget>
<output>160</output>

<result>160</result>