Liu Yang passed by a supermarket on his way to school. It took 12 minutes to go from home to the supermarket and from the supermarket to school. The speed from home to the supermarket was 60 meters per minute, and the speed from the supermarket to school was 70 meters per minute. How far is it from home to school?
刘洋上学途中路过超市，从家到超市的时间和从超市到学校的时间都用了12分钟，从家到超市的速度是每分钟60米，从超市到学校的速度是每分钟70米，求从家到学校有多远？
<gadget id="calculator">12 * 60</gadget>
<output>720</output>

<gadget id="calculator">12 * 70</gadget>
<output>840</output>

<gadget id="calculator">720 + 840</gadget>
<output>1_560</output>

<result>1_560</result>