There are three square pools, large, medium, and small. Their inner sides are 5 meters, 3 meters, and 2 meters respectively. Two piles of gravel are submerged in the water of the medium and small pools, and the water levels of the two pools rise respectively. If the two piles of rubble are submerged in the water of the large pool, how many centimeters will the water level of the large pool rise?
有大、中、小三个正方形的水池，它们的内边分别是5米、3米、2米，把两堆碎石分别沉没在中、小水池的水里，两个水池的水面分别升高了6厘米和4厘米，如果将这两堆碎石都沉没在大水池的水里，大水池的水面升高了多少厘米？
<gadget id="calculator">3 * 100 * 3 * 100 * 6</gadget>
<output>540_000</output>

<gadget id="calculator">2 * 100 * 2 * 100 * 4</gadget>
<output>160_000</output>

<gadget id="calculator">540_000 + 160_000</gadget>
<output>700_000</output>

<gadget id="calculator">5 * 100 * 5 * 100</gadget>
<output>250_000</output>

<gadget id="calculator">700_000 / 250_000</gadget>
<output>14/5 = around 2.8</output>

<result>14/5 = around 2.8</result>