The speed of a truck on the highway is 85 km/h and the speed on the national road is 60 km/h. The car traveled for 12 hours on the expressway and the national road, and finally arrived at the destination. How long is the road?
一辆货车在高速公路上的速度是85千米/时，在国道上的速度是60千米时．这辆车在高速公路和国道上各行了12小时，最后到达目的地．这段路有多长？
<gadget id="calculator">85 * 12</gadget>
<output>1_020</output>

<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<gadget id="calculator">1_020 + 720</gadget>
<output>1_740</output>

<result>1_740</result>