The first workshop produces 540 parts, and the second workshop produces 480 parts. If 30 parts are packed in a box, how many more boxes will the first workshop pack than the second workshop?
第一车间生产540个零件，第二车间生产480个零件．如果30个零件装一箱，第一车间比第二车间多装多少箱？
<gadget id="calculator">540 / 30</gadget>
<output>18</output>

<gadget id="calculator">480 / 30</gadget>
<output>16</output>

<gadget id="calculator">18 - 16</gadget>
<output>2</output>

<result>2</result>