The fourth grade students of Hongqi Road Primary School ordered 165 sets of school uniforms, 63 yuan for each set of school uniforms. How much is the total cost? (Please write down the quantitative relation)
红旗路小学四年级学生订购了165套校服，每套校服63元，问一共需要多少元钱？(请写出数量关系式)
<gadget id="calculator">63 * 165</gadget>
<output>10_395</output>

<result>10_395</result>