A car and a motorcycle are driven in the same direction at the same time at the same time. The car travels 62 kilometers per hour and the motorcycle travels 45 kilometers per hour. After 4 hours, how many kilometers are there between the two cars?
一辆汽车和一辆摩托车同时同地同一方向开出，汽车每小时行62千米，摩托车每小时行45千米，4小时后，两车相距多少千米？
<gadget id="calculator">62 * 4</gadget>
<output>248</output>

<gadget id="calculator">45 * 4</gadget>
<output>180</output>

<gadget id="calculator">248 - 180</gadget>
<output>68</output>

<result>68</result>