The distance between two factories, A and B, is 75 kilometers. Xiao Wang drove a car from Factory A for 30 kilometers to share 2 liters of gasoline. According to this calculation, how many liters of gasoline will be needed for this car to drive from factory A to factory B?
甲、乙两个工厂之间相距75千米．小王驾驶一辆轿车从甲厂出发行驶30千米共用去2升汽油．照这样计算，这辆轿车从甲厂开到乙厂还需要多少升汽油？
<gadget id="calculator">2 / 30</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">75 - 30</gadget>
<output>45</output>

<gadget id="calculator">(1/15) * 45</gadget>
<output>3</output>

<result>3</result>