From home to school, if Xiaoliang walks 60 meters per minute, he can arrive 2 minutes before class; if he walks 50 meters per minute, he will be late by 3 minutes. How far is Xiaoliang's home from school?
小亮从家到学校，如果每分走60米，能在上课前2分到达；如果每分走50米，就要迟到3分．小亮家离学校多远？
<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>