The Experimental Primary School bought 45 sets of performance costumes for students, one jacket was 38 yuan, and one pair of trousers was 22 yuan. How much did the school buy for the performance costumes?
实验小学买来45套学生演出服装，一件上衣38元，一条裤子22元，学校买演出服装共用去多少元？
<gadget id="calculator">38 + 22</gadget>
<output>60</output>

<gadget id="calculator">60 * 45</gadget>
<output>2_700</output>

<result>2_700</result>