The distance between A and B is 240 kilometers. A car drives from A to B. It travels the whole distance (1/3) in the first hour, and travels the whole distance (1/4) in the second hour. This car is far from A. How far is it?
甲乙两地相距240千米，一辆汽车从甲地开往乙地，第一小时行了全程的(1/3)，第二小时行了全程的(1/4)，这辆汽车离甲地有多远？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">240 * (5/12)</gadget>
<output>100</output>

<result>100</result>