The store sells 120 boxes of teacups, 6 in each box, with a total income of 2160 yuan. How much is each teacup worth?
商店卖出茶杯120盒，每盒6个，共收入2160元，每个茶杯值多少元？
<gadget id="calculator">2_160 / 120 / 6</gadget>
<output>3</output>

<result>3</result>