There are 3 stamps with 5 points. There are 4 stamps of 80 cents, how many kinds of postage can be posted with them?
有5分的邮票3张．80分的邮票4张，用它们可贴出几种的邮资？
<gadget id="calculator">2 + 3 + 4 + 4 + 3 + 2 + 1</gadget>
<output>19</output>

<result>19</result>