A car drives from place A to place B at 42.5 kilometers per hour. After 4 hours, it will be 18 kilometers away from the midpoint of the two places. How many kilometers are there between places A and B?
一辆汽车从甲地开往乙地，每小时行42.5千米，4小时后距离两地中点还有18千米，甲乙两地相距多少千米？
<gadget id="calculator">42.5 * 4</gadget>
<output>170</output>

<gadget id="calculator">170 + 18</gadget>
<output>188</output>

<gadget id="calculator">188 * 2</gadget>
<output>376</output>

<result>376</result>