arithmetic_operations.Rmd

---
title: "Arithmetic operations"
output: html_document
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```

## Add two variables

```{r}
x <- 1
y <- 2
x+y
```

## Multiply two variables

```{r}
z <- 4
a <- 6
a+z
```