No problem, we've got 1636 and 5302 to multiply
1636 × 5302 = 5302 × (1636)
+ 5302 × 6 what gives us 31812
+ 5302 × 30 giving us 159060
+ 5302 × 600 giving us 3181200
+ 5302 × 1000 resulting in 5302000

= 8674072
