Yangyang Children's Clothing Factory bought 270 meters of cloth, first made 10 sets of children's clothes, and used 18 meters of cloth. According to this calculation, how much children's clothes can be made with the remaining cloth? (Solve with ratio)
洋洋儿童服装厂买来270米布，先做了10套童装，用去18米布，照这样计算，剩下的布还可以做多少童装？(用比例解)
<gadget id="calculator">270 - 18</gadget>
<output>252</output>

<gadget id="calculator">18 / 10</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">252 / (9/5)</gadget>
<output>140</output>

<result>140</result>