No problem, we've got 7945 and 9210 to multiply
7945 × 9210 = 9210 × (7945)
+ 9210 × 5 which equals 46050
+ 9210 × 40 which equals 368400
+ 9210 × 900 that is equal 8289000
+ 9210 × 7000 which equals 64470000

= 73173450
