Alright, let's work through 87342018 times 79554889 step by step
87342018 × 79554889 = 79554889 × (87342018)
+ 79554889 × 8 that is equal 636439112
+ 79554889 × 10 what gives us 795548890
+ 79554889 × 000 yielding 0
+ 79554889 × 2000 producing 159109778000
+ 79554889 × 40000 that is equal 3182195560000
+ 79554889 × 300000 producing 23866466700000
+ 79554889 × 7000000 producing 556884223000000
+ 79554889 × 80000000 that equals 6364391120000000

= 6948484547026002
