The school cafeteria bought 23 kilograms of cabbage on the first day, and bought 5 kilograms less on the second day than on the first day. How many kilograms of cabbage were bought in total in two days?
学校食堂第一天买来23千克白菜，第二天比第一天少买5千克，两天一共买多少千克白菜？
<gadget id="calculator">23 - 5</gadget>
<output>18</output>

<gadget id="calculator">18 + 23</gadget>
<output>41</output>

<result>41</result>