The 29th Olympic Games will be held in Beijing, and Tianjin is also one of the co-hosting cities. From Beijing to Tianjin, a car travels 55 kilometers per hour, and after 2 hours of driving, there is still 20 kilometers away from Tianjin. How many kilometers is it from Beijing to Tianjin?
29届奥运会在北京举行，天津也是协办城市之一，从北京到天津，汽车每小时行55千米，行2小时后离天津还有20千米，北京到天津有多少千米？
<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<gadget id="calculator">110 + 20</gadget>
<output>130</output>

<result>130</result>