No problem, we've got 80421855 and 96347208 to multiply
80421855 × 96347208 = 96347208 × (80421855)
+ 96347208 × 5 yielding 481736040
+ 96347208 × 50 what gives us 4817360400
+ 96347208 × 800 yielding 77077766400
+ 96347208 × 1000 yielding 96347208000
+ 96347208 × 20000 that results in 1926944160000
+ 96347208 × 400000 producing 38538883200000
+ 96347208 × 0000000 that equals 0
+ 96347208 × 80000000 that is equal 7707776640000000

= 7748421191430840
