The number of people in a class does not exceed 100. The number of people in a class is divided into three groups with 2 people, four groups with 3 people, and five groups with 4 people. How many people are there in a class?
一班的人数不超过100人，把一班的人数分成三组余2人，分成四组余3人，分成五组余4人，问一班有多少人？
<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

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

<result>59</result>