and B are in a cycling competition. When A has ridden the entire distance (7/8), B has ridden the entire distance (3/4). At this time, the distance between the two is 140 meters. At the end, how many meters away is B from the end?
甲乙两人进行骑自行车比赛，甲骑了全程的(7/8)时，乙骑了全程的(3/4)，这时两人相距140米，如果继按原速骑下去，当甲到达终点时，乙距终点还有多少米？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(7/8) - (3/4)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">140 / (1/8)</gadget>
<output>1_120</output>

<gadget id="calculator">(7/8) / (3/4)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">1 / (7/6)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 - (6/7)</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1_120 * (1/7)</gadget>
<output>160</output>

<result>160</result>