A batch of cloth was originally planned to make 1,800 sets of clothing. Because each set saved 0.2 meters of cloth, 100 more sets were made. How many meters of cloth are used for each set now?
一批布原计划做服装1800套，由于每套节约用布0.2米，结果多做了100套，现在每套用布多少米？
<gadget id="calculator">1_800 / 100</gadget>
<output>18</output>

<gadget id="calculator">0.2 * 18</gadget>
<output>3.6</output>

<result>3.6</result>