Answer:
2190
Step-by-step explanation:
6 × 5 = 30, record 0 and add 3 to 6
6 × 6 = 36, plus the 3 we added earlier = 39.
record 9 and add 3 to 3.
6 × 3 = 18, plus the 3 we added earlier = 21
Final answer = 2190.
