The ratio of boys to girls in grade six is 3:5, and there are 56 fewer boys than girls, so how many girls are there?
六年级男生与女生人数的比是3：5，男生比女生少56人，则女生有多少人．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">56 / (2/5)</gadget>
<output>140</output>

<result>140</result>