In order to meet the parents' open day, the students in Class 6 and 1 have to make 120 small flags, and they have already done (5/6), how many small flags are left?
为迎接家长开放日，六1班同学要做120面小旗，已经做了(5/6)，还剩多少面小旗没有做？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">120 * (1/6)</gadget>
<output>20</output>

<result>20</result>