Alright, let's work through 66741580 times 78023262 step by step
66741580 × 78023262 = 78023262 × (66741580)
+ 78023262 × 0 producing 0
+ 78023262 × 80 giving us 6241860960
+ 78023262 × 500 what gives us 39011631000
+ 78023262 × 1000 giving us 78023262000
+ 78023262 × 40000 resulting in 3120930480000
+ 78023262 × 700000 producing 54616283400000
+ 78023262 × 6000000 which equals 468139572000000
+ 78023262 × 60000000 that is equal 4681395720000000

= 5207395782633960
