A pond has an area of 180 square meters and a water depth of 1.5m. A pond has an area of 100 square meters and a water depth of 2.2 meters. Now it is necessary to pump water from Pond B to Pond A so that the water depths of the two ponds are the same, how many cubic meters of water should be pumped?
甲池塘面积是180平方米，水深1.5m．乙池塘面积是100平方米，水深2.2米．现要从乙水塘抽水到甲水塘，使两个水塘水深一样，要抽多少立方米的水？
<gadget id="calculator">180 * 1.5</gadget>
<output>270</output>

<gadget id="calculator">100 * 2.2</gadget>
<output>220</output>

<gadget id="calculator">270 + 220</gadget>
<output>490</output>

<gadget id="calculator">180 + 100</gadget>
<output>280</output>

<gadget id="calculator">490 / 280</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">(7/4) - 1.5</gadget>
<output>0.25</output>

<gadget id="calculator">180 * 0.25</gadget>
<output>45</output>

<result>45</result>