Alright, let's work through 42098687 times 40689411 step by step
42098687 × 40689411 = 40689411 × (42098687)
+ 40689411 × 7 resulting in 284825877
+ 40689411 × 80 giving us 3255152880
+ 40689411 × 600 which equals 24413646600
+ 40689411 × 8000 that is equal 325515288000
+ 40689411 × 90000 resulting in 3662046990000
+ 40689411 × 000000 producing 0
+ 40689411 × 2000000 that equals 81378822000000
+ 40689411 × 40000000 what gives us 1627576440000000

= 1712970777903357
