A pool is 50 meters long, 25 meters wide, and 1.5 meters deep, and 1,000 cubic meters of water is put into the pool. At this time, how much difference will the water level reach the edge of the pool?
一个水池长50米，宽25米，深1.5米，池内放入1000立方米的水，这时水面差多少就到池沿？
<gadget id="calculator">50 * 25</gadget>
<output>1_250</output>

<gadget id="calculator">1_000 / 1_250</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.5 - (4/5)</gadget>
<output>0.7</output>

<result>0.7</result>