No problem, we've got 9842 and 1613 to multiply
9842 × 1613 = 1613 × (9842)
+ 1613 × 2 what gives us 3226
+ 1613 × 40 giving us 64520
+ 1613 × 800 what gives us 1290400
+ 1613 × 9000 giving us 14517000

= 15875146
