The distance between A and B is 240 kilometers. A car starts from A to B and travels 80 kilometers per hour. How many kilometers will the car be away from B after t hours?
甲乙两地相距240千米，一辆汽车由甲地出发去往乙地，每小时行驶80千米，t小时后这辆汽车距乙地多少千米．
<gadget id="calculator">240 - 80</gadget>
<output>160</output>

<result>160</result>