The garment factory plans to produce a batch of garments, 126 sets are produced on the first day, 148 sets are produced on the second day, and 152 sets are produced on the third day. How many sets were produced in total in three days?
服装厂计划生产一批服装，第一天生产了126套，第二天生产了148套，第三天生产152套．三天一共生产多少套？
<gadget id="calculator">126 + 148 + 152</gadget>
<output>426</output>

<result>426</result>