A student goes from home to school, and first walks at a speed of 80 meters per minute for 3 minutes. At this speed, he will be late for 3 minutes; if he walks 110 meters per minute instead, he will arrive 3 minutes earlier. How many meters is it from the student's home to the school?
一个学生从家到学校上课，先用每分80米的速度走了3分，照这样的速度则要迟到3分钟；如果改为每分走110米，结果提前3分钟到达．这个学生家到学校有多少米？
<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 + 240</gadget>
<output>2_000</output>

<result>2_000</result>