There were 52 students in Class 5 and 2 who met the sports standards last semester, including 28 boys. What percentage of the total number of boys reached the standards?
五2班上学期体育达标的有52人，其中男生有28人，男生达标人数占达标总人数的几分之几？
<gadget id="calculator">28 / 52</gadget>
<output>7/13 = around 0.538462</output>

<result>7/13 = around 0.538462</result>