The forest concert hall with 76 seats holds a concert. Each ticket is 15 yuan. 42 tickets have been sold. How much is the payment?
有76个座位的森林音乐厅举行音乐会，每张票15元，已售出42张票，收款多少元？
<gadget id="calculator">15 * 42</gadget>
<output>630</output>

<result>630</result>