When a boat was found to be leaking, some water had already entered, and the water evenly entered the boat. If 10 people wash the water, it will take 3 hours; if 5 people wash the water, it will take 8 hours. If it takes 2 hours to finish the water washing, how many people need to be arranged to wash the water?
一只船被发现漏水时，已经进了一些水，水均匀进入船内．如果10人淘水，3小时淘完；如果5人淘水，8小时淘完．如果要求2小时淘完，需要安排多少人淘水？
<gadget id="calculator">10 * 3</gadget>
<output>30</output>

<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">40 - 30</gadget>
<output>10</output>

<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">30 - 2</gadget>
<output>28</output>

<gadget id="calculator">28 / 2 / 1</gadget>
<output>14</output>

<result>14</result>