Sure thing! Let's multiply 78438164 and 81492664 together
78438164 × 81492664 = 81492664 × (78438164)
+ 81492664 × 4 that results in 325970656
+ 81492664 × 60 yielding 4889559840
+ 81492664 × 100 yielding 8149266400
+ 81492664 × 8000 that results in 651941312000
+ 81492664 × 30000 which equals 2444779920000
+ 81492664 × 400000 which equals 32597065600000
+ 81492664 × 8000000 that equals 651941312000000
+ 81492664 × 70000000 which equals 5704486480000000

= 6392134943628896
