A garment factory needs to make 1,800 sets of school uniforms, and 240 sets were made in the first 4 days. According to this calculation, how many days will it take to complete the task? (Solve with ratio)
一个服装厂要做1800套校服，前4天做了240套，照这样计算，完成任务要多少天可以完成？(用比例解)
<gadget id="calculator">1_800 - 240</gadget>
<output>1_560</output>

<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<gadget id="calculator">1_560 / 60</gadget>
<output>26</output>

<result>26</result>