There are 45 students in a class, (1/5) of the students participate in the sports interest group, and (2/3) of them are boys. May I ask how many boys in this class participate in the sports interest group?
某班共有学生45人，(1/5)的同学参加体育兴趣小组，这其中(2/3)的同学是男生．请问该班参加体育兴趣小组的男生有多少人？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">45 * (1/5) * (2/3)</gadget>
<output>6</output>

<result>6</result>