The document contains math word problems and their solutions. It includes: 1) A factory that made 270 bulbs on the first day and 123 on the second day, for a total of 270 + 123 = 393 bulbs. 2) A shopkeeper named Rafi who had 153 candles and received 237 more from Paras, for a total of 153 + 237 = 390 candles. 3) A clown who blew up 47 balloons and two other clowns who each blew up 13 more balloons, for a total of 47 + 13 + 13 = 73 balloons.