For example:

1×2=2 (less "1" means more "2")

2×6= 12 (small "2" means large "12")

Multiplication is one of the earliest operations, which appeared in the earliest written records of human beings.

Extended data

The development of multiplication symbols;

It is quite popular to use ""to represent multiplication. At present, schools in continental Europe (Germany, France and other countries) stipulate that ","is a multiplication sign. Other countries use "×" as multiplication sign and "×" as decimal point. Our country stipulates that "×" or "×" can be used as a multiplication sign, and the multiplication sign before letters or brackets can be omitted.

Because this symbol is inconvenient to input, it is generally replaced by the English letter "X" in daily communication. On HTML and XHTML, you can enter entity references ×, × or ×.

In an arithmetic book published by Stiefel in 1545, capital letters M and D stand for multiplication and division respectively. Steven also adopted this symbol in the book published by 1634.