An engineering team has to complete the task of mixing 200 tons of concrete, mixing 12 tons per hour, working for 5 hours, and finishing the rest within 10 hours. How many tons should be mixed on average per hour?
一个工程队要完成搅拌200吨混泥土的任务，每小时搅拌12吨，工作了5小时，剩下的要在10小时内完成，平均每小时应搅拌多少吨？
<gadget id="calculator">12 * 5</gadget>
<output>60</output>

<gadget id="calculator">200 - 60</gadget>
<output>140</output>

<gadget id="calculator">140 / 10</gadget>
<output>14</output>

<result>14</result>