No problem, we've got 7786 and 9200 to multiply
7786 × 9200 = 9200 × (7786)
+ 9200 × 6 what gives us 55200
+ 9200 × 80 that results in 736000
+ 9200 × 700 that equals 6440000
+ 9200 × 7000 that results in 64400000

= 71631200
