Wahaha Children’s Clothing Factory made 36 sets of children’s clothing in the first batch, and 2.5 times as many sets in the second batch as the first batch. A total of 252 meters of cloth was used. How much cloth is used for each set of children’s clothing?
娃哈哈儿童服装厂做童装，第一批做了36套，第二批做的套数是第一批的2.5倍，一共用去252米布，每套童装用布多少米？
<gadget id="calculator">36 * 2.5</gadget>
<output>90</output>

<gadget id="calculator">90 + 36</gadget>
<output>126</output>

<gadget id="calculator">252 / 126</gadget>
<output>2</output>

<result>2</result>