The distance between A and B is 210 kilometers. If a car travels from A to B the whole distance (2/3), how many kilometers is this car away from B?
甲乙两地之间相距210千米，一辆汽车从甲地开到乙地行了全程的(2/3)，则这辆汽车离乙地还有多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">210 * (1/3)</gadget>
<output>70</output>

<result>70</result>