There are 45 big cars in the parking lot, and 20 more small cars than big cars. How many big cars and small cars are there in total?
停车场上有大汽车45辆，小汽车比大汽车多20辆，大汽车和小气车一共有多辆？
<gadget id="calculator">45 + 20 + 45</gadget>
<output>110</output>

<result>110</result>