The school newly bought 78 sets of classroom chairs, with a total payment of 3510 yuan. How much is each set of desks and chairs?
学校新买来78套课椅，共付款3510元．每套课桌椅多少元？
<gadget id="calculator">3_510 / 78</gadget>
<output>45</output>

<result>45</result>