Places A and B happen to be on a straight road, and their midpoint is a gas station. A car drives from place A to place B at a speed of 80 kilometers per hour. After driving for 45 minutes, the distance to the gas station is 15 kilometers. How many kilometers is the road between places A and B?
甲、乙两地恰好在一条笔直的公路上，它们的中点是一个加油站．一辆汽车以每小时80千米的速度从甲地开往乙地，行了45分钟时，距离加油站15千米，求甲、乙两地的公路长多少千米？
<gadget id="calculator">80 * 0.75</gadget>
<output>60</output>

<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<result>150</result>