Cars A and B start at the same time from two places 560 kilometers apart and drive toward each other. It is known that the speed ratio of cars A and B is 4:3, and the two cars meet after 4 hours. How many kilometers per hour does the car travel?
甲、乙两车从相距560千米的两地同时出发，相向而行，已知甲、乙两车的速度比是4：3，4小时后两车相遇．甲车每小时行多少千米？
<gadget id="calculator">560 / 4</gadget>
<output>140</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">140 * (4/7)</gadget>
<output>80</output>

<result>80</result>