Cars A and B both start from point A and drive to point C through point B, and the speed of car B is 80% of the speed of car A. It is known that car B departs 12 minutes earlier and arrives 6 minutes later than car A. Car B stayed at B for 8 minutes. A car is driving to C without stopping. How many minutes does it take for car A to travel from point A to point C?
甲、乙两车都从A地出发经过B地驶往C地，乙车的速度是甲车速度的80%．已知乙车比甲车早出发12分钟，晚到6分钟．其中乙车在B地停留了8分钟．甲车则不停地驶往C地．则甲车从A地到C地需要多少分钟．
<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 / (1/5)</gadget>
<output>50</output>

<gadget id="calculator">50 * (4/5)</gadget>
<output>40</output>

<result>40</result>