Please check the amazing things about Mathematics :
- 1 x 8 + 1 = 9;
- 12 x 8 + 2 = 98;
- 123 x 8 + 3 = 987;
- 1234 x 8 + 4 = 9876;
- 12345 x 8 + 5 = 98765;
- 123456 x 8 + 6 = 987654;
- 1234567 x 8 + 7 = 9876543;
- 12345678 x 8 + 8 = 98765432;
- 123456789 x 8 + 9 = 987654321
