The distance between A and B is 400 kilometers, and a car has been driven from A to B (5/8). How many kilometers will it take to reach point B?
甲乙两地相距400千米，一辆汽车从甲地开往乙地，已行了(5/8)．再行多少千米正好到达乙地？
<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">400 * (3/8)</gadget>
<output>150</output>

<result>150</result>