There are 300 students in the sixth grade, and the number of girls is 1/4 of the number of boys. How many boys are there in the sixth grade?
六年级共有学生300人，女生人数是男生人数的(1/4)，六年级男生有多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">300 / (5/4)</gadget>
<output>240</output>

<result>240</result>