Alright, let's work through 1098 times 3939 step by step
1098 × 3939 = 3939 × (1098)
+ 3939 × 8 that results in 31512
+ 3939 × 90 giving us 354510
+ 3939 × 000 that results in 0
+ 3939 × 1000 giving us 3939000

= 4325022
