No problem, we've got 54715850 and 80555254 to multiply
54715850 × 80555254 = 80555254 × (54715850)
+ 80555254 × 0 giving us 0
+ 80555254 × 50 that results in 4027762700
+ 80555254 × 800 which equals 64444203200
+ 80555254 × 5000 giving us 402776270000
+ 80555254 × 10000 yielding 805552540000
+ 80555254 × 700000 that results in 56388677800000
+ 80555254 × 4000000 that results in 322221016000000
+ 80555254 × 50000000 that results in 4027762700000000

= 4407649194575900
