There are 350 students in Zhangtun Primary School, the number of girls is 3/4 of that of boys, how many boys are there?
张屯小学有学生350人，女生人数是男生的(3/4)，男生有多少人．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">350 / (7/4)</gadget>
<output>200</output>

<result>200</result>