In this chapter, you will learn:
How to compute an arithmetic operation between integer numbers or between floating-point numbers
How to write a program containing several statements
How to print strings in several lines
Adding Integer Numbers
Let’s see how to compute the sum of two integer numbers, for example, 80 and 34.
Put the following line as the only contents within the braces of the main function:
print!("The sum is {}", 80 + 34);
The execution will print: The sum is 114.
The second argument of the print macro is ...
