Xiaowen goes from home to school, if he walks 50 meters per minute, he will be late for 3 minutes; if he walks 60 meters per minute, he can arrive at school 2 minutes earlier, so how far is the distance between Xiaowen's home and school?
小文从家去学校，如果每分钟走50米，就要迟到3分钟；如果每分钟走60米，就可以提前2分钟到校，那么小文家离学校的距离是多少米．
<gadget id="calculator">150 + 120</gadget>
<output>270</output>

<gadget id="calculator">60 - 50</gadget>
<output>10</output>

<gadget id="calculator">270 / 10</gadget>
<output>27</output>

<gadget id="calculator">27 + 3</gadget>
<output>30</output>

<gadget id="calculator">30 * 50</gadget>
<output>1_500</output>

<result>1_500</result>