Grade 6 students paste cartons, Class 1 pastes 56 more than Class 2. There are 42 people in Class 1, 8 per person on average, and 40 people in Class 2, how many per person on average?
六年级同学糊纸盒，1班比2班多糊56个．1班有42人，平均每人糊8个，2班有40人，平均每人糊几个？
<gadget id="calculator">42 * 8</gadget>
<output>336</output>

<gadget id="calculator">336 - 56</gadget>
<output>280</output>

<gadget id="calculator">280 / 40</gadget>
<output>7</output>

<result>7</result>