No problem, we've got 4104 and 7905 to multiply
4104 × 7905 = 7905 × (4104)
+ 7905 × 4 that is equal 31620
+ 7905 × 00 that equals 0
+ 7905 × 100 that is equal 790500
+ 7905 × 4000 that is equal 31620000

= 32442120
