Xiao Ming has 10 pieces of white rabbit toffee. From now on, he will eat at least 1 piece every day. How many different ways can he eat it?
小明有10块大白兔奶糖，从今天起，每天至少吃1块，那么他一共有多少种不同的吃法．
<gadget id="calculator">2 ** 9</gadget>
<output>512</output>

<result>512</result>