cylindrical cistern with a bottom radius of 10 meters can store 1570 cubic meters of water. If it is dug to a depth of 2.5 meters, how many cubic meters of water can this cistern store?
一个底面半径是10米的圆柱形蓄水池，能蓄水1570立方米，如果再挖深2.5米，这个蓄水池能蓄水多少立方米？
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 2.5</gadget>
<output>785</output>

<gadget id="calculator">785 + 1_570</gadget>
<output>2_355</output>

<result>2_355</result>