Alright, let's work through 3958 times 8980 step by step
3958 × 8980 = 8980 × (3958)
+ 8980 × 8 resulting in 71840
+ 8980 × 50 what gives us 449000
+ 8980 × 900 that results in 8082000
+ 8980 × 3000 which equals 26940000

= 35542840
