The correspondent rides a motorcycle and needs to transfer the document to a certain place within the specified time. If he travels 60 kilometers per hour, he will arrive 12 minutes earlier. If you travel 50 kilometers per hour, you will be late by 7 minutes. Find the total distance.
通讯员骑摩托车，需在规定时间内把文件传到某地，若每小时行60千米，就早到12分钟．若每小时行50千米，就要迟到7分钟，求总路程．
<gadget id="calculator">12 / 60</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>

<gadget id="calculator">7 / 60</gadget>
<output>7/60 = around 0.116667</output>

<gadget id="calculator">50 * (7/60)</gadget>
<output>35/6 = around 5.833333</output>

<gadget id="calculator">12 + (35/6)</gadget>
<output>107/6 = around 17.833333</output>

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

<gadget id="calculator">(107/6) / 10</gadget>
<output>107/60 = around 1.783333</output>

<gadget id="calculator">(107/60) - (1/5)</gadget>
<output>19/12 = around 1.583333</output>

<gadget id="calculator">(19/12) * 60</gadget>
<output>95</output>

<result>95</result>