We're going to solve 1958 multiplied by 6510
1958 × 6510 = 6510 × (1958)
+ 6510 × 8 yielding 52080
+ 6510 × 50 resulting in 325500
+ 6510 × 900 giving us 5859000
+ 6510 × 1000 that equals 6510000

= 12746580
