No problem, we've got 5178 and 66717439 to multiply
5178 × 66717439 = 66717439 × (5178)
+ 66717439 × 8 that results in 533739512
+ 66717439 × 70 what gives us 4670220730
+ 66717439 × 100 that results in 6671743900
+ 66717439 × 5000 resulting in 333587195000

= 345462899142
