No problem, we've got 5379 and 1170 to multiply
5379 × 1170 = 1170 × (5379)
+ 1170 × 9 what gives us 10530
+ 1170 × 70 what gives us 81900
+ 1170 × 300 yielding 351000
+ 1170 × 5000 yielding 5850000

= 6293430
