The garment factory has 260m of cloth. After making 160 pieces of clothing, there is still 20m left. How many meters of cloth are used on average for each piece of clothing?
服装厂有260m布，做了160件衣服后，还剩20m，平均每件衣服用布多少米？
<gadget id="calculator">260 - 20</gadget>
<output>240</output>

<gadget id="calculator">240 / 160</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>