There are 45 students in the interest class, of which boys accounted for (8/15), and later 5 boys joined. At this time, what percentage of the whole class are boys?
兴趣班共有学生45人，其中男生占(8/15)，后来又有5名男生参加，这时男生占全班人数的几分之几？
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">45 * (8/15)</gadget>
<output>24</output>

<gadget id="calculator">24 + 5</gadget>
<output>29</output>

<gadget id="calculator">45 + 5</gadget>
<output>50</output>

<gadget id="calculator">29 / 50</gadget>
<output>29/50 = around 0.58</output>

<result>29/50 = around 0.58</result>