The school playground is 20 meters wide, and the length is 8 meters more than twice the width. What is its area?
学校操场宽20米，长比宽的2倍还多8米．它的面积是多少？
<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<gadget id="calculator">40 + 8</gadget>
<output>48</output>

<gadget id="calculator">48 * 20</gadget>
<output>960</output>

<result>960</result>