Xiao Ming goes to school from home, if he walks 60 meters per minute, he can arrive at school 10 minutes earlier; if he walks 50 meters per minute, he will arrive at school 4 minutes late. How many meters is the distance from Xiao Ming's home to the school?
小明从家到学校去上课，如果每分钟走60米，可提前10分钟到校；如果每分钟走50米，要迟到4分钟到校．小明家到学校相距多少米．
<gadget id="calculator">60 * 10</gadget>
<output>600</output>

<gadget id="calculator">50 * 4</gadget>
<output>200</output>

<gadget id="calculator">600 + 200</gadget>
<output>800</output>

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

<gadget id="calculator">800 / 10</gadget>
<output>80</output>

<gadget id="calculator">80 - 10</gadget>
<output>70</output>

<gadget id="calculator">60 * 70</gadget>
<output>4_200</output>

<result>4_200</result>