No problem, we've got 47049847 and 40528821 to multiply
47049847 × 40528821 = 40528821 × (47049847)
+ 40528821 × 7 that is equal 283701747
+ 40528821 × 40 giving us 1621152840
+ 40528821 × 800 resulting in 32423056800
+ 40528821 × 9000 giving us 364759389000
+ 40528821 × 40000 producing 1621152840000
+ 40528821 × 000000 producing 0
+ 40528821 × 7000000 giving us 283701747000000
+ 40528821 × 40000000 that equals 1621152840000000

= 1906874827140387
