Listen numbers, answer it.
Practice listening comprehension of numbers.
Go on a trip abroad, sometimes its a difficult to catch numbers, such as checkout.
What you should do is to practice listening comprehension of numbers.
Number of digits you can choose is from 1 to 4. 1 digit first, then increase the number of digits gradually to 4. It is enough with four-digit in daily life.
When it comes to audible numbers, overseas travel will be much fun.
The language you can choose is English, Japanese, French, Italy, German and Spanish.