How many miles can you get on one tank of gas if your tank holds 18 gallons and you get 23 miles per gallon?

In 1 gallon of gas, the car travels 23 miles.
In 18 gallon of gas, the car travels 23 * 18 miles
                                                     = 414 miles

So, you can get 414 miles on one tank if your tank holds 18 gallons of gas
                                                      

What does the start look like