There are 56 students in Class 1, of which boys account for (4/7). How many girls are there in Class 1?
六1班有学生56人，其中男生占(4/7)，六1班女生有多少人？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">56 * (3/7)</gadget>
<output>24</output>

<result>24</result>