In this first introduction to operators, we’ll introduce the operators you are most likely familiar with: arithmetic operators with two operands. Those operators assume the operands are both numbers.

`+`

performs an arithmetic sum:

```
1 + 2 //3
```

Then we have the subtraction operator (-)

```
4 - 2 //2
```

The multiplication operator `*`

:

```
4 * 2 //8
```

The division operator `/`

:

```
4 / 2 //2
```

And the remainder operator:

```
4 % 2 //0
```

#### Lessons in this unit:

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