The school bought 160 pots of chrysanthemums, placed 40 pots in the lecture hall, and distributed the rest to 20 classes. How many pots can each class get on average?
学校买来160盆菊花，放在报告厅40盆，其余的分给20个班，平均每班可分到多少盆？
<gadget id="calculator">160 - 40</gadget>
<output>120</output>

<gadget id="calculator">120 / 20</gadget>
<output>6</output>

<result>6</result>