Let:
T = Total number of cards
n = Number of boxes
a = Number of cards in each box
The total number of cards is given by:
[tex]\begin{gathered} T=a\cdot n \\ _{\text{ }}where\colon \\ a=235 \\ n=4 \\ so\colon \\ T=235\cdot4 \\ T=940 \end{gathered}[/tex]Answer:
940 cards