A TV factory needs to produce 240 TV sets, and 96 sets were produced in the first 2 hours, which is 0.4 hours less than the completion of the remaining tasks. On average, how many TV sets are produced per hour to complete the remaining tasks?
一电视机厂要生产240台电视机，前2小时生产了96台，比完成余下任务少用了0.4小时．完成余下的任务平均每小时要生产电视机多少台？
<gadget id="calculator">240 - 96</gadget>
<output>144</output>

<gadget id="calculator">2 + 0.4</gadget>
<output>2.4</output>

<gadget id="calculator">144 / 2.4</gadget>
<output>60</output>

<result>60</result>