Xiao Tang goes to school from home. If the speed is 80 m/min, he can arrive 6 minutes before class. If the speed is 50 m/min, he will be late for 3 minutes. How far is it from Xiao Tang's house to school?
小唐从家去学校，若速度为80米/分，能在课前6分钟到达，若速度为50米/分，就会迟到3分钟．小唐家到学校有多远？
<gadget id="calculator">80 * 6</gadget>
<output>480</output>

<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">480 + 150</gadget>
<output>630</output>

<gadget id="calculator">80 - 50</gadget>
<output>30</output>

<gadget id="calculator">630 / 30</gadget>
<output>21</output>

<gadget id="calculator">21 - 6</gadget>
<output>15</output>

<gadget id="calculator">15 * 80</gadget>
<output>1_200</output>

<result>1_200</result>