The forest concert hall has 76 seats, and the original price of each ticket is 15 yuan. After 42 tickets were sold at the original price, the remaining tickets were sold out at 12 yuan each. How much is the total income of the Forest Concert Hall?
森林音乐厅有76个座位，每张门票原价15元．按原价售出42张门票后，剩余的门票按每张12元售完，问森林音乐厅共收入多少元？
<gadget id="calculator">15 * 42</gadget>
<output>630</output>

<gadget id="calculator">76 - 42</gadget>
<output>34</output>

<gadget id="calculator">12 * 34</gadget>
<output>408</output>

<gadget id="calculator">630 + 408</gadget>
<output>1_038</output>

<result>1_038</result>