It is 150 kilometers from place A to place B. A car starts from place A and travels (4/5) kilometers. How many kilometers is it from place B?
甲地到乙地150千米，一辆汽车从甲地出发，走了(4/5)千米，它离乙地还有多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">150 - (4/5)</gadget>
<output>746/5 = around 149.2</output>

<result>746/5 = around 149.2</result>