No problem, we've got 1231 and 6250 to multiply
1231 × 6250 = 6250 × (1231)
+ 6250 × 1 that results in 6250
+ 6250 × 30 which equals 187500
+ 6250 × 200 resulting in 1250000
+ 6250 × 1000 that results in 6250000

= 7693750
