The distance between A and B is 300 kilometers. A car travels from A to B in 3 hours (3/5). How many kilometers is the car away from B?
甲、乙两地相距300千米，一辆汽车从甲地开往乙地，3小时行了全程的(3/5)，汽车离乙地还有多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">300 * (2/5)</gadget>
<output>120</output>

<result>120</result>