Alright, let's work through 6198 times 6874 step by step
6198 × 6874 = 6874 × (6198)
+ 6874 × 8 giving us 54992
+ 6874 × 90 giving us 618660
+ 6874 × 100 which equals 687400
+ 6874 × 6000 giving us 41244000

= 42605052
