When Xiaodong travels from A to B, when he travels to (5/8) of the whole journey, he is still 240 meters away from B. How many meters are there between A and B?
小东从甲地到乙地，当行驶到全程的(5/8)时，离乙地还有240米．甲、乙两地相距多少米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">240 / (3/8)</gadget>
<output>640</output>

<result>640</result>