There are 32 girls in class one, grade six, and the number of girls is 80% of the number of boys. How many boys are there?
六年级一班有女生32人，女生人数是男生人数的80%，男生有多少人？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">32 / (4/5)</gadget>
<output>40</output>

<result>40</result>