A garment factory can make 24 sets of adult clothing with 120-meter cloth, and 30 sets of children's clothing. How much more cloth is used for each adult clothing than children's clothing?
服装厂用120米布可做成人服装24套，如果该做儿童服装，可做30套，每套成人服装比儿童服装多用布多少米？
<gadget id="calculator">120 / 24</gadget>
<output>5</output>

<gadget id="calculator">120 / 30</gadget>
<output>4</output>

<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<result>1</result>