We're going to solve 7978 multiplied by 8434
7978 × 8434 = 8434 × (7978)
+ 8434 × 8 which equals 67472
+ 8434 × 70 producing 590380
+ 8434 × 900 which equals 7590600
+ 8434 × 7000 what gives us 59038000

= 67286452
