Cars A and B are traveling towards each other from places A and B at the same time. When A arrives at point B, car B is still 40 kilometers away from point A. When car B arrives at point A, car A exceeds point B by 60 kilometers. How many kilometers are there between A and B?
甲乙两车同时从A，B两地相向而行，当甲到达B地时，乙车距A地还有40千米．当乙车到达A地时，甲车超过B地60千米．A，B两地相距多少千米？
<gadget id="calculator">60 / 40</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / (3/2)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">40 / (1/3)</gadget>
<output>120</output>

<result>120</result>