Alright, let's work through 3070 times 4253 step by step
3070 × 4253 = 4253 × (3070)
+ 4253 × 0 which equals 0
+ 4253 × 70 that equals 297710
+ 4253 × 000 that results in 0
+ 4253 × 3000 that equals 12759000

= 13056710
