Xiaoqiang walks from home to the examination room to participate in the "2010 Chern Math Week". 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 the examination room 2 minutes earlier. How many meters is the distance.
小强从家里步行到考场参加"2010年陈省身数学周活动"，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分钟到考场，那么从小强家到学校的路程是多少米．
<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<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">50 * 30</gadget>
<output>1_500</output>

<result>1_500</result>