Alright, let's work through 78387082 times 49525003 step by step
78387082 × 49525003 = 49525003 × (78387082)
+ 49525003 × 2 what gives us 99050006
+ 49525003 × 80 yielding 3962000240
+ 49525003 × 000 resulting in 0
+ 49525003 × 7000 producing 346675021000
+ 49525003 × 80000 that equals 3962000240000
+ 49525003 × 300000 that equals 14857500900000
+ 49525003 × 8000000 that is equal 396200024000000
+ 49525003 × 70000000 giving us 3466750210000000

= 3882120471211246
