To produce a batch of parts, if A makes 200 parts a day, it will take 24 days to complete; if B makes 50 parts a day more than A, how many days can B complete it earlier?
生产一批零件，如果让甲来做，每天做200个，要24天完成；如果让乙来做，每天比甲多做50个，乙能提前几天完成？
<gadget id="calculator">200 * 24</gadget>
<output>4_800</output>

<gadget id="calculator">200 + 50</gadget>
<output>250</output>

<gadget id="calculator">4_800 / 250</gadget>
<output>96/5 = around 19.2</output>

<gadget id="calculator">24 - (96/5)</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>