A machine factory needs to assemble 2,700 machines, and 1,080 machines were assembled in 4 days. According to this speed, the remaining tasks can be assembled in a few days? (Solve with ratio)
一个机器厂要装配2700台机器，4天装配了1080台．按照这样的速度，剩下的任务几天可以装配完？(用比例解)
<gadget id="calculator">2_700 - 1_080</gadget>
<output>1_620</output>

<gadget id="calculator">1_080 / 4</gadget>
<output>270</output>

<gadget id="calculator">1_620 / 270</gadget>
<output>6</output>

<result>6</result>