There are two cylindrical containers, A and B. Measure the perimeters of the bottom surfaces of containers A and B are 62.8 cm and 31.4 cm respectively. A and B respectively contain water 5 cm deep and 30 cm deep. Now put B Some water in the container is poured into container A so that the water in both containers is the same depth, how many centimeters is the water depth at this time?
有A，B两个圆柱形容器，从里面量得A，B容器的底面周长分别为62.8厘米、31.4厘米，A、B内分别盛有5厘米深、30厘米深的水，现将B容器中的一些水倒入A容器内，使两个容器内的水一样深，这时水深为多少厘米？
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 5</gadget>
<output>1_570</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 30</gadget>
<output>2_355</output>

<gadget id="calculator">1_570 + 2_355</gadget>
<output>3_925</output>

<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>

<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>

<gadget id="calculator">314 + 78.5</gadget>
<output>392.5</output>

<gadget id="calculator">3_925 / 392.5</gadget>
<output>10</output>

<result>10</result>