There is a basket of eggs, 1 for the number of two or two, 2 for the number of three or three, and 4 for the number of five or five. What is the minimum number of eggs in this basket?
有一筐鸡蛋，二二数之余1个，三三数之余2个，五五数之余4个．这筐鸡蛋最少有多少个？
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 - 1</gadget>
<output>29</output>

<result>29</result>