Wang Gang goes to school by bicycle, at 120 meters per minute, and after 12 minutes, he is still 21 meters away from the midpoint. How far is it from Wang Gang's house to the school?
王刚骑车去上学，每分钟行120米，12分钟后，距离中点还有21米．王刚家到学校有多少米？
<gadget id="calculator">120 * 12</gadget>
<output>1_440</output>

<gadget id="calculator">1_440 + 21</gadget>
<output>1_461</output>

<gadget id="calculator">1_461 * 2</gadget>
<output>2_922</output>

<result>2_922</result>