The father and son set off from places A and B at the same time and walked towards each other. As a result, they met at a distance of 60 meters from the midpoint of the two places. It is known that the father traveled the whole journey (3/5), how about the distance between places A and B?
父子俩分别从A、B两地同时出发，相对而行，结果两人在距两地中点60米处相遇．已知父亲行了全程的(3/5)，求A、B两地之间的路程？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/5) - (1/2)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">60 / (1/10)</gadget>
<output>600</output>

<result>600</result>