327 × 54 = 17658
327
× 54
------
1308
+1635
------
17658
809 × 68 = 54012
809
× 68
------
6472
+4854
------
55012
624 × 25 = 15600
624
× 25
------
3120
+1248
------
15600
492 × 34 = 16728
492
× 34
------
1968
+1476
------
16728
709 × 48 = 34032
709
× 48
------
5672
+2836
------
34032