Xinxing Primary School newly purchased 165 sets of desks and chairs, each desk is 66 yuan, and each chair is 34 yuan. How much did it cost?
新兴小学新购进165套课桌椅，每张课桌66元，每把椅子34元，一共花了多少钱？
<gadget id="calculator">66 + 34</gadget>
<output>100</output>

<gadget id="calculator">100 * 165</gadget>
<output>16_500</output>

<result>16_500</result>