Legend has it that anyone who can find a four-leaf clover among the clover is a lucky person. One day Kiki was picking clover in the big forest. A leaf, then, how many clover he has.
传说，能在三叶草中找到四叶草的人，都是幸运的人，一天奇奇在大森林里摘取三叶草，当他摘到第一颗四叶草时，发现摘到的草刚好共有1000片叶子，那么，他已经有多少颗三叶草．
<gadget id="calculator">1_000 - 4</gadget>
<output>996</output>

<gadget id="calculator">996 / 3</gadget>
<output>332</output>

<result>332</result>