Dongdong has 10 pieces of white rabbit toffee. From today onwards, he will eat at least one piece every day until he finishes eating. How many different ways are there in total?
冬冬有10块大白兔奶糖，他从今天起，每天至少吃一块，直到吃完．请问一共有多少种不同的吃法？
<gadget id="calculator">2 ** 9</gadget>
<output>512</output>

<result>512</result>