One day, Xiao Ming got up late. If he still walked 60 meters per minute at his usual speed, he would be late for school by 2 minutes; if he increased his speed and walked 90 meters per minute, he could arrive at school 1 minute earlier. How many meters is the distance from Xiao Ming's home to the school?
一天，小明起晚了，如果还按平日的速度每分钟走60米，那么赶到学校就要迟到2分钟；如果提高速度，每分钟走90米，这样还可提前1分钟到校．小明家到学校的距离是多少米？
<gadget id="calculator">120 + 90</gadget>
<output>210</output>

<gadget id="calculator">90 - 60</gadget>
<output>30</output>

<gadget id="calculator">210 / 30</gadget>
<output>7</output>

<gadget id="calculator">7 + 2</gadget>
<output>9</output>

<gadget id="calculator">9 * 60</gadget>
<output>540</output>

<result>540</result>