No problem, we've got 78101955 and 16370945 to multiply
78101955 × 16370945 = 16370945 × (78101955)
+ 16370945 × 5 that is equal 81854725
+ 16370945 × 50 which equals 818547250
+ 16370945 × 900 what gives us 14733850500
+ 16370945 × 1000 resulting in 16370945000
+ 16370945 × 00000 that equals 0
+ 16370945 × 100000 that equals 1637094500000
+ 16370945 × 8000000 that equals 130967560000000
+ 16370945 × 70000000 resulting in 1145966150000000

= 1278602809697475
