The highway between the two places is 342 kilometers long. A and B drive motorcycles from the two places in opposite directions. people meet?
两地间的公路长342千米，甲、乙两人骑摩托车分别从两地相向开出，甲每小时行47.5千米，乙的速度是甲的(4/5)，经过几小时两人相遇？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">47.5 * (4/5)</gadget>
<output>38</output>

<gadget id="calculator">47.5 + 38</gadget>
<output>85.5</output>

<gadget id="calculator">342 / 85.5</gadget>
<output>4</output>

<result>4</result>