The bus fare from Qingdao to Tai'an is 82 yuan. A bus carries 53 passengers from Qingdao to Tai'an and 47 passengers when it returns. How much is the income of this bus for a round trip? (Round-trip fare is the same)
从青岛到泰安的汽车票价是82元，一辆大客车从青岛到泰安时载客53人，返回时载客47人，这辆大客车往返一次收入多少元？(往返票价相同)
<gadget id="calculator">53 + 47</gadget>
<output>100</output>

<gadget id="calculator">100 * 82</gadget>
<output>8_200</output>

<result>8_200</result>