A car leaves place A at 9 am and arrives at place B at 1 pm. It is known that this car travels 45 kilometers per hour, how many kilometers is the road between A and B?
一辆车上午9时从甲地开出，下午1时到达乙地．已知这辆车每小时行45千米，甲、乙两地之间的公路长多少千米？
<gadget id="calculator">45 * 4</gadget>
<output>180</output>

<result>180</result>