Xiaodong goes from home to school in the morning, if he walks 80 meters per minute, he will be late for 5 minutes; if he walks 90 meters per minute, he can arrive at school 5 minutes earlier. How many meters is the distance from his home to the school?
小东早晨从家到学校，如果每分钟走80米，则要迟到5分钟；如果每分钟走90米，则可以提前5分钟到校．他家到学校相距多少米？
<gadget id="calculator">850 / 10</gadget>
<output>85</output>

<gadget id="calculator">85 - 5</gadget>
<output>80</output>

<gadget id="calculator">90 * 80</gadget>
<output>7_200</output>

<result>7_200</result>