Teacher Wang has 11 classes every week. There are approximately 16 weeks of classes per semester. About how many classes does Mr. Wang take each semester?
王老师每星期要上11节课．每学期大约上16个星期的课．王老师每学期大约要上多少节课？
<gadget id="calculator">11 * 16</gadget>
<output>176</output>

<result>176</result>