car originally planned to travel 60 km per hour, and it takes 7 hours to travel from point A to point B. In fact, the car traveled 105 km in 1.5 hours. At this speed, how many hours did it actually arrive at point B earlier than planned?
一辆汽车原计划每小时行驶60km，从甲地到乙地需要行驶7小时，实际这辆汽车1.5小时就行驶了105km，照这样的速度实际比计划提前多少小时到达乙地？
<gadget id="calculator">105 / 1.5</gadget>
<output>70</output>

<gadget id="calculator">7 / 70</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">60 * (1/10)</gadget>
<output>6</output>

<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<result>1</result>