No problem, we've got 5992 and 9640 to multiply
5992 × 9640 = 9640 × (5992)
+ 9640 × 2 which equals 19280
+ 9640 × 90 what gives us 867600
+ 9640 × 900 that results in 8676000
+ 9640 × 5000 that results in 48200000

= 57762880
