No problem, we've got 42345847 and 64684624 to multiply
42345847 × 64684624 = 64684624 × (42345847)
+ 64684624 × 7 giving us 452792368
+ 64684624 × 40 yielding 2587384960
+ 64684624 × 800 that is equal 51747699200
+ 64684624 × 5000 that equals 323423120000
+ 64684624 × 40000 giving us 2587384960000
+ 64684624 × 300000 producing 19405387200000
+ 64684624 × 2000000 producing 129369248000000
+ 64684624 × 40000000 that equals 2587384960000000

= 2739125191156528
