No problem, we've got 7155 and 1124 to multiply
7155 × 1124 = 1124 × (7155)
+ 1124 × 5 yielding 5620
+ 1124 × 50 what gives us 56200
+ 1124 × 100 giving us 112400
+ 1124 × 7000 that results in 7868000

= 8042220
