The school bought 5 new sets of desks and chairs, one desk costs 82 yuan, and one chair costs 54 yuan. How much did the school spend on these desks and chairs?
学校新购来5套课桌椅，一张桌子要82元，一把椅子要54元，学校买这些课桌椅共花了多少钱？
<gadget id="calculator">82 + 54</gadget>
<output>136</output>

<gadget id="calculator">136 * 5</gadget>
<output>680</output>

<result>680</result>