Alright, let's work through 7900 times 561 step by step
7900 × 561 = 561 × (7900)
+ 561 × 0 that results in 0
+ 561 × 00 which equals 0
+ 561 × 900 that results in 504900
+ 561 × 7000 that equals 3927000

= 4431900
