Two cars, A and B, drive from opposite places at the same time. Car A travels 164 kilometers and meets car B. At this time, car A is still 15 kilometers away from the midpoint of the two places, and car B travels 48.5 kilometers per hour. Find the time when they meet.
甲、乙两辆汽车同时从两地相对开出，甲车行164千米，与乙车相遇．这时，甲车离两地的中点还有15千米，乙车每小时行48.5千米，求相遇的时间．
<gadget id="calculator">164 + 15</gadget>
<output>179</output>

<gadget id="calculator">179 * 2</gadget>
<output>358</output>

<gadget id="calculator">358 - 164</gadget>
<output>194</output>

<gadget id="calculator">194 / 48.5</gadget>
<output>4</output>

<result>4</result>