No problem, we've got 2147 and 7156 to multiply
2147 × 7156 = 7156 × (2147)
+ 7156 × 7 giving us 50092
+ 7156 × 40 giving us 286240
+ 7156 × 100 yielding 715600
+ 7156 × 2000 which equals 14312000

= 15363932
