A car starts at 3:00 am and arrives at 6:00 pm, traveling a total of 975 km. What is the speed of this car?
一辆汽车从凌晨3时发车，下午6时到站，共行了975km，这辆汽车的速度是多少？
<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<gadget id="calculator">9 + 6</gadget>
<output>15</output>

<gadget id="calculator">975 / 15</gadget>
<output>65</output>

<result>65</result>