Application of addition and subtraction in grade one mathematics

Application of addition and subtraction in grade one mathematics

On the Qingming Festival, the school organized students to make white flowers and go to a martyr's cemetery to pay homage to revolutionary martyrs. Class 1 of grade 1 made 51 white flowers, and there were 49 students in their class. The number of white flowers made by class 2 of grade 1 was the sum of the number of class 1 of grade 1 and the number of white flowers minus 23
Q: how many white flowers did class 2, grade 1 make?