The distance between the two cities is 112km. Cars A and B drive from the two cities at the same time. After (4/5) hours, they meet. What is the sum of the speeds of the two cars?
两城相距112km，甲、乙两车同时从两城相对开出，经过(4/5)小时相遇，甲、乙两车的速度和是多少？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">112 / (4/5)</gadget>
<output>140</output>

<result>140</result>