A set of clothes costs 165 yuan. Mr. Wang donated 40 sets of such clothes to the students of Hope Primary School. How much is the total cost?
一套衣服需要165元，王先生给希望小学的学生捐助这样的衣服40套，一共需要多少元钱？
<gadget id="calculator">165 * 40</gadget>
<output>6_600</output>

<result>6_600</result>