A student walks from home to school at a speed of 50 meters per minute for 2 minutes. If he keeps walking like this, he will be 3 minutes late. Then he changes to a speed of 60 meters per minute and ends up arriving at school 2 minutes early. How many meters is the distance from the student's home to the school?
一个学生从家到学校，先用每分50米的速度走了2分钟，如果这样走下去，他会迟到3分钟，后来他改用每分钟60米的速度前进，结果早到学校2分钟，这个学生家到学校的路程是多少米．
<gadget id="calculator">2 * 50</gadget>
<output>100</output>

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

<gadget id="calculator">100 + 1_500</gadget>
<output>1_600</output>

<result>1_600</result>