In a basket of eggs, there are 3 and 3 lands, and 1 is left at the end; 4 and 4 lands are counted, and 1 is left at the end; 5 and 5 lands are counted, and 1 is left at the end. How many eggs are there at least in this basket?
一篮鸡蛋，3个3个地数，最后余1个；4个4个地数，最后也余1个；5个5个地数，最后还余1个．这篮鸡蛋至少有多少个？
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>