The stationery counter of the five-star shopping mall wholesaled 90 calculators and 50 repeaters from the factory. Each calculator was 50 yuan, and each repeater was 120 yuan. How much does the mall have to pay the factory?
五星商厦文具专柜从工厂批发了90台计算器和50台复读机，每台计算器50元，每台复读机120元，商厦要付给工厂多少元？
<gadget id="calculator">50 * 90</gadget>
<output>4_500</output>

<gadget id="calculator">120 * 50</gadget>
<output>6_000</output>

<gadget id="calculator">4_500 + 6_000</gadget>
<output>10_500</output>

<result>10_500</result>