The animals held a concert in the 80-seat forest concert hall, and 52 tickets have been sold, each ticket is 25 yuan. How much is the ticket revenue?
动物们在有80个座位的森林音乐厅里举办音乐会，已售出52张门票，每张门票25元，门票收入多少元？
<gadget id="calculator">25 * 52</gadget>
<output>1_300</output>

<result>1_300</result>