In Japanese, the number system is in units of four digits instead of three in Western languages.
The Japanese number system is spread into units of four digits, unlike the units of three digits in Western numbers.
日本語の桁については、例文のようにシステムの概要を述べれば良いでしょう。ただし、なじみのない人にはピンと来ないでしょうから、具体的に次のように補足してあげればよろしいかと思います。
A number such as 10,000,000 is split up as 1000,0000, but due to the influence of the Western standard of numbers, numbers are actually written with the split-off of three digits.
参考になれば幸いです。
日本 
