No problem, we've got 8623 and 7156 to multiply
8623 × 7156 = 7156 × (8623)
+ 7156 × 3 that is equal 21468
+ 7156 × 20 that is equal 143120
+ 7156 × 600 what gives us 4293600
+ 7156 × 8000 giving us 57248000

= 61706188
