The Experimental Primary School bought 45 sets of student performance costumes, one jacket was 68 yuan, and one pair of trousers was 22 yuan. How much did the school spend on costumes for the performance?
实验小学买来45套学生演出服装，一件上衣是68元，一条裤子是22元．学校买演出服装共花了多少元？
<gadget id="calculator">68 + 22</gadget>
<output>90</output>

<gadget id="calculator">90 * 45</gadget>
<output>4_050</output>

<result>4_050</result>