Can I have some help with this

The California DMV has the following character requirements for license plates: \"You can choose any combination of letters and numbers with a limit of six digits or seven digits, depending on the character length you need." Based on this, how many possible license plates are available in California, if characters include numbers and letters. None of the above 366 + 367 x 1.306 * 2607 10136 * 26p7 ' 106 a: 107 + 266 * 267