A movie theater has 702 seats downstairs and 542 seats upstairs, and a movie ticket is 28 yuan. If the house is full, how much more income will be earned downstairs than upstairs?
一个电影院，楼下有702个座位，楼上有542个座位，一张电影票28元．如果满座，楼下比楼上多收入多少元？
<gadget id="calculator">702 - 542</gadget>
<output>160</output>

<gadget id="calculator">28 * 160</gadget>
<output>4_480</output>

<result>4_480</result>