Alright, let's work through 91420252 times 40361678 step by step
91420252 × 40361678 = 40361678 × (91420252)
+ 40361678 × 2 giving us 80723356
+ 40361678 × 50 what gives us 2018083900
+ 40361678 × 200 yielding 8072335600
+ 40361678 × 0000 giving us 0
+ 40361678 × 20000 that is equal 807233560000
+ 40361678 × 400000 what gives us 16144671200000
+ 40361678 × 1000000 yielding 40361678000000
+ 40361678 × 90000000 that equals 3632551020000000

= 3689874773902856
