The lecture hall of the school is 16 meters long, and the length is 3 meters more than the width. How many meters**2 does this lecture hall occupy?
学校的报告厅长16米，长比宽多3米．这个报告厅占地多少米**2？
<gadget id="calculator">16 - 3</gadget>
<output>13</output>

<gadget id="calculator">16 * 13</gadget>
<output>208</output>

<result>208</result>