A and B are in a cycling competition and start at the same time. When A rides to the full distance (7/8) and B rides to the full distance (5/6), the distance between the two is 70 meters. Ride down at a speed, when A reaches the finish line, what is the maximum distance between the two?
甲、乙两人进行骑车比赛，同时出发，当甲骑到全程的(7/8)，乙骑到全程的(5/6)时，这时两人相距70米，如果继续按各人的速度骑下去，当甲到达终点时，两人最大距离是多少米
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(7/8) - (5/6)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">70 / (1/24)</gadget>
<output>1_680</output>

<gadget id="calculator">(7/8) / (5/6)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">1 / (21/20)</gadget>
<output>20/21 = around 0.952381</output>

<gadget id="calculator">1 - (20/21)</gadget>
<output>1/21 = around 0.047619</output>

<gadget id="calculator">1_680 * (1/21)</gadget>
<output>80</output>

<result>80</result>