Alright, let's work through 4131 times 7130 step by step
4131 × 7130 = 7130 × (4131)
+ 7130 × 1 resulting in 7130
+ 7130 × 30 what gives us 213900
+ 7130 × 100 what gives us 713000
+ 7130 × 4000 yielding 28520000

= 29454030
