Alright, let's work through 42417526 times 2003550 step by step
42417526 × 2003550 = 2003550 × (42417526)
+ 2003550 × 6 what gives us 12021300
+ 2003550 × 20 yielding 40071000
+ 2003550 × 500 yielding 1001775000
+ 2003550 × 7000 that equals 14024850000
+ 2003550 × 10000 resulting in 20035500000
+ 2003550 × 400000 that results in 801420000000
+ 2003550 × 2000000 that results in 4007100000000
+ 2003550 × 40000000 which equals 80142000000000

= 84985634217300
