A piece of cloth is 29 meters long, just enough to make 8 sets of adult clothes and 6 sets of children's clothes. It is known that each set of children's clothing uses 1.5 meters of cloth, how many meters of cloth is used for each set of adult clothing?
一匹布长29米，正好做了8套成人服装和6套儿童服装．已知儿童服装每套用布1.5米，成人服装每套用布多少米？
<gadget id="calculator">6 * 1.5</gadget>
<output>9</output>

<gadget id="calculator">29 - 9</gadget>
<output>20</output>

<gadget id="calculator">20 / 8</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>