There are 240 people in an extracurricular interest group in the school, of which the calligraphy group accounts for 2/5 of the total number of people, and the aircraft model group accounts for 1/6 of the total number of people. How many people are there in the calligraphy group and the aircraft model group?
学校某课外兴趣小组有240人，其中书法组人数占全部人数的(2/5)，航模组人数占全部人数的(1/6)，书法组和航模组一共有多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(2/5) + (1/6)</gadget>
<output>17/30 = around 0.566667</output>

<gadget id="calculator">240 * (17/30)</gadget>
<output>136</output>

<result>136</result>