How many different currency values can be formed by using 1 jiao, 2 jiao, 5 jiao, 1 yuan, 2 yuan, and 5 yuan each.
用1角、2角、5角、1元、2元、5元各一张，可以组成多少种不同的币值．
<gadget id="calculator">6 + 15 + 20 + 15 + 6 + 1</gadget>
<output>63</output>

<result>63</result>