There are 18 girls in the science and technology group of the school, and the number of boys is 2 times less than the number of girls. How many boys are there in the school science and technology group?
学校科技组有18名女生，男生人数比女生人数的2倍少2人．学校科技组有多少名男生？
<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">36 - 2</gadget>
<output>34</output>

<result>34</result>