The distance between AB and AB is 800 kilometers. A car has traveled (2/5) from point A to point B. How many kilometers will it take to reach point B?
AB两地相距800千米，一辆汽车从A地开往B地，已行了(2/5)，再行多少千米正好到达B地？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">800 * (3/5)</gadget>
<output>480</output>

<result>480</result>