From point A to point B, the whole journey (4/7) has already been done, and there is still 60 kilometers to arrive. How many kilometers is the whole journey?
从甲地到乙地，已经行了全程的(4/7)，还要行60千米到达，全程多少千米？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">60 / (3/7)</gadget>
<output>140</output>

<result>140</result>