There are 58 students in Class 51, 17 of whom are girls. What percentage of the number of boys are girls?
五1班共有学生58人，女生有17人，女生人数占男生人数的几分之几？
<gadget id="calculator">58 - 17</gadget>
<output>41</output>

<gadget id="calculator">17 / 41</gadget>
<output>17/41 = around 0.414634</output>

<result>17/41 = around 0.414634</result>