No problem, we've got 1135 and 6288 to multiply
1135 × 6288 = 6288 × (1135)
+ 6288 × 5 that results in 31440
+ 6288 × 30 that equals 188640
+ 6288 × 100 that results in 628800
+ 6288 × 1000 that equals 6288000

= 7136880
