There are 4 pieces of RMB with one dime, 2 pieces of RMB with two pieces, and 7 pieces of RMB with one yuan. How many different kinds of money can be paid directly?
有一角的人民币4张，两角的人民币2张，一元的人民币7张，可直接付几种不同的款项？
<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>