The school gymnastics team has 36 people, and the chorus team has 4 people less than twice the number of the gymnastics team. How many people are there in the chorus team?
学校体操队有36人，合唱队比体操队人数的2倍少4人，合唱队多少人？
<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<gadget id="calculator">72 - 4</gadget>
<output>68</output>

<result>68</result>