No problem, we've got 5402 and 2387 to multiply
5402 × 2387 = 2387 × (5402)
+ 2387 × 2 what gives us 4774
+ 2387 × 00 giving us 0
+ 2387 × 400 that equals 954800
+ 2387 × 5000 that results in 11935000

= 12894574
