Alright, let's work through 26001897 times 72343541 step by step
26001897 × 72343541 = 72343541 × (26001897)
+ 72343541 × 7 that results in 506404787
+ 72343541 × 90 that equals 6510918690
+ 72343541 × 800 that results in 57874832800
+ 72343541 × 1000 that results in 72343541000
+ 72343541 × 00000 that results in 0
+ 72343541 × 000000 what gives us 0
+ 72343541 × 6000000 which equals 434061246000000
+ 72343541 × 20000000 yielding 1446870820000000

= 1881069301697277
