The sixth grade students of Guangou Primary School went on a spring outing and bought some apples and pears. They bought 192 apples, 12 more than three times the number of pears. How many pears did they buy? (It is recommended that you use equations to solve)
官沟小学六年级同学去春游，买了些苹果和雪梨，买来苹果192个，比雪梨的3倍还多12个，买了雪梨多少个？(建议你用方程解)
<gadget id="calculator">192 - 12</gadget>
<output>180</output>

<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<result>60</result>