There are 120 boys in grade 6, and there are fewer boys than girls (1/12), what is the formula for finding the number of girls
6年级男生有120人，男生比女生少(1/12)，求女生人数的算式是多少
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 - (1/12)</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">120 / (11/12)</gadget>
<output>1_440/11 = around 130.909091</output>

<result>1_440/11 = around 130.909091</result>