For a basket of fruits, count 2 for every group of 3, count 3 for every group of 4, and count 4 for every group of 5. How many fruits are there at least in this basket?
一筐水果，每3个一组数余2个，每4个一组数余3个，每5个一组数余4个，这筐水果最少有多少个？
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>