student goes from home to school. He walks at a speed of 80 meters per minute. He arrives 3 minutes late and walks at 110 meters per minute. He has to arrive 3 minutes early. How far is his home from school?
一名学生从家到学校，他按每分钟80米速度走，迟到3分钟，按每分钟110米走，要提前3分钟到达，问他家离学校多远？
<gadget id="calculator">80 * 3</gadget>
<output>240</output>

<gadget id="calculator">110 * 3</gadget>
<output>330</output>

<gadget id="calculator">240 + 330</gadget>
<output>570</output>

<gadget id="calculator">110 - 80</gadget>
<output>30</output>

<gadget id="calculator">570 / 30</gadget>
<output>19</output>

<gadget id="calculator">80 * 19</gadget>
<output>1_520</output>

<gadget id="calculator">240 + 1_520</gadget>
<output>1_760</output>

<result>1_760</result>