Xiao Ming goes to school from home, if he walks 80 meters per minute, he can arrive at school 6 minutes early; if he walks 50 meters per minute, he will be late by 3 minutes. So how many meters is Xiao Ming's home from the school?
小明从家去学校，如果每分钟走80米，能提前6分钟到校；如果每分钟走50米，就要迟到3分钟．那么小明家离学校有多少米．
<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 + 3</gadget>
<output>24</output>

<gadget id="calculator">24 * 50</gadget>
<output>1_200</output>

<result>1_200</result>