That's because in Chinese it's the higher digit having priority in emissions - if you don't specify zero the it means 180
When people say in English one hundred thousand one thousand and ten, you will need to visualize the digits
101,010
But in Chinese you say 10 * 10^4, 1 * 10^3, 0, 1 * 10
the zero helps you write a zero after the second one without making a mistake