There is a leak in a boat, and water enters the boat at a uniform speed. When the leak is found, the boat has already entered some water. If 12 people are used to pan the water, it can be cleaned in 3 hours. If 5 people are used to pan the water, it can be cleaned in 10 hours. Amoy light. Now it takes 2 hours to wash the light, how many people need to be arranged to wash the water?
一条船有一个漏洞，水以均匀的速度进入船内，发现漏水时，船已经进了一些水，如果用12个人来淘水，3小时可以淘光，如果用5个人来淘水，10小时才能淘光．现在需要2个小时淘光，需要安排多少人来淘水？
<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">50 - 36</gadget>
<output>14</output>

<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">14 / 7</gadget>
<output>2</output>

<gadget id="calculator">36 - 2</gadget>
<output>34</output>

<gadget id="calculator">34 / 2 / 1</gadget>
<output>17</output>

<result>17</result>