The school bought 3 boxes of small volleyballs, 12 in each box, for a total of 1080 yuan. How much is each small volleyball?
学校买了3箱小排球，每箱12个，一共用去1080元．每个小排球多少元？
<gadget id="calculator">3 * 12</gadget>
<output>36</output>

<gadget id="calculator">1_080 / 36</gadget>
<output>30</output>

<result>30</result>