A certain car dealership bought 102 cars, sold 6 cars per day on average, and sold them for 7 days. The remaining parts were planned to be sold in 12 days. How many cars were sold per day on average?
某汽车销售店进回102辆小轿车，平均每天销售6辆，销售了7天，余下的部分计划12天完成销售，平均每天销售多少辆？
<gadget id="calculator">6 * 7</gadget>
<output>42</output>

<gadget id="calculator">102 - 42</gadget>
<output>60</output>

<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<result>5</result>