The distance between the two places is 560 kilometers, a passenger car travels 60 kilometers per hour, and a truck travels 75 kilometers per hour. If two cars drive from two places at the same time, how many kilometers are there between them after 3 hours?
两地相距560千米，一列客车每小时行60千米，一列货车每小时行75千米．如果两车同时从两地相对开出3小时后，两车还相距多少千米？
<gadget id="calculator">60 + 75</gadget>
<output>135</output>

<gadget id="calculator">135 * 3</gadget>
<output>405</output>

<gadget id="calculator">560 - 405</gadget>
<output>155</output>

<result>155</result>