1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
# Calculation Result **Operation:** Multiplication **Expression:** 15 × 23 **Result:** **345** ### Work: ``` 15 × 23 ──── 45 (15 × 3) 30 (15 × 20, shifted left) ──── 345 ``` **15 × 23 = 345**