Even numbers can show the correct number of fire wood.

1, 2 stands for wood, 3, 4 stands for fire.

The quality of numbers is mathematics. Numbers from 1 to 8 1 have their own mathematical meanings. In the numbers, the singular number stands for Yang, the even number stands for Yin, 1, 2 stands for wood, 3,4 stands for fire, 5,6 stands for earth, 7,8 stands for gold, and 9,0 stands for water. So for example, 1 is positive wood, 4 is negative fire, 5 is positive soil, and 8 is negative gold. Look at a two-digit number, such as 65. Look at its cardinal number 5. 65 is positive soil and 72 is negative wood. Things about mathematics and physics are often used in fortune telling.