There are 120 students in the sixth grade in Jianye District who participated in the Chinese reading competition, and the number of winners accounted for (3/10) of the total number of people, and (1/3) of the number of winners were girls. What percentage of the total number of boys won the award?
建邺区六年级有120人参加语文阅读大赛，获奖人数占总人数的(3/10)，而获奖人数中的(1/3)是女生．获奖的男生占总人数的几分之几？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/10) * (2/3)</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>