Alright, let's work through 40400228 times 98874247 step by step
40400228 × 98874247 = 98874247 × (40400228)
+ 98874247 × 8 giving us 790993976
+ 98874247 × 20 what gives us 1977484940
+ 98874247 × 200 that equals 19774849400
+ 98874247 × 0000 giving us 0
+ 98874247 × 00000 that results in 0
+ 98874247 × 400000 yielding 39549698800000
+ 98874247 × 0000000 that equals 0
+ 98874247 × 40000000 yielding 3954969880000000

= 3994542122128316
