The gymnasium needs to fill the cuboid swimming pool with water. It is known that the swimming pool is 2 meters deep. If 50 cubic meters of water are injected per minute, it can be filled with water in 25 minutes. What is the bottom area of the swimming pool?
体育馆要给长方体游泳池注水，已知游泳池深2米，如果每分钟注水50立方米，25分钟可以注满水，这个游泳池的底面积是多少？
<gadget id="calculator">25 / 2</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">50 * (25/2)</gadget>
<output>625</output>

<result>625</result>