The school buys 100 sets of desks and chairs. It is known that each desk is 78.5 yuan and each chair is 25.8 yuan. How much is the total payable?
学校买100套课桌椅，已知每张桌子78.5元，每把椅子25.8元，共应付多少元？
<gadget id="calculator">78.5 + 25.8</gadget>
<output>104.3</output>

<gadget id="calculator">104.3 * 100</gadget>
<output>10_430</output>

<result>10_430</result>