No problem, we've got 42342997 and 9623109 to multiply
42342997 × 9623109 = 9623109 × (42342997)
+ 9623109 × 7 yielding 67361763
+ 9623109 × 90 that results in 866079810
+ 9623109 × 900 giving us 8660798100
+ 9623109 × 2000 what gives us 19246218000
+ 9623109 × 40000 what gives us 384924360000
+ 9623109 × 300000 producing 2886932700000
+ 9623109 × 2000000 yielding 19246218000000
+ 9623109 × 40000000 that is equal 384924360000000

= 407471275517673
