There are 1,040 people participating in the TV University study. One TV set is prepared for every 8 people. We have already prepared 120 TV sets. How many more people need to prepare TV sets?
有1040人参加电视大学学习，按照每8人准备一台电视机，已经准备了120台，还需要为多少人准备电视机？
<gadget id="calculator">120 * 8</gadget>
<output>960</output>

<gadget id="calculator">1_040 - 960</gadget>
<output>80</output>

<result>80</result>