No problem, we've got 7639 and 6461 to multiply
7639 × 6461 = 6461 × (7639)
+ 6461 × 9 yielding 58149
+ 6461 × 30 that results in 193830
+ 6461 × 600 what gives us 3876600
+ 6461 × 7000 what gives us 45227000

= 49355579
