Alright, let's work through 76357823 times 78434975 step by step
76357823 × 78434975 = 78434975 × (76357823)
+ 78434975 × 3 which equals 235304925
+ 78434975 × 20 that is equal 1568699500
+ 78434975 × 800 that is equal 62747980000
+ 78434975 × 7000 which equals 549044825000
+ 78434975 × 50000 what gives us 3921748750000
+ 78434975 × 300000 that results in 23530492500000
+ 78434975 × 6000000 that equals 470609850000000
+ 78434975 × 70000000 producing 5490448250000000

= 5989123938059425
