1. \( 246 \times 5 = 1230 \)
2. \( 579 \times 4 = 2316 \)
3. \( 812 \times 3 = 2436 \)
4. \( 130 \div 5 = 26 \)
5. \( 236 \div 4 = 59 \)
6. \( 246 \div 3 = 82 \)