A and B are two cuboid containers. The bottom area of A container is 200 square centimeters, the water depth of the container is 10 cm, the bottom area of B container is 100 square centimeters, and the height is 31 cm. If two containers have the same water depth, how many centimeters does the water depth of A container rise?
甲乙两个长方体容器，甲容器的底面积是200平方厘米，容器水深10厘米，乙容器底面积100平方厘米，高31厘米，里面盛满水，现在把乙容器中水倒给甲，使两个容器水深相等，甲容器水深升多少厘米？
<gadget id="calculator">100 * 31</gadget>
<output>3_100</output>

<gadget id="calculator">200 * 10</gadget>
<output>2_000</output>

<gadget id="calculator">3_100 + 2_000</gadget>
<output>5_100</output>

<gadget id="calculator">200 + 100</gadget>
<output>300</output>

<gadget id="calculator">5_100 / 300</gadget>
<output>17</output>

<result>17</result>