No problem, we've got 9138 and 7844 to multiply
9138 × 7844 = 7844 × (9138)
+ 7844 × 8 resulting in 62752
+ 7844 × 30 that equals 235320
+ 7844 × 100 that is equal 784400
+ 7844 × 9000 which equals 70596000

= 71678472
