Students line up to do exercises on the playground. The number is between 90 and 110. If they line up in 3 lines, there will be no more and no less. If they line up in 5 lines, there will be at least 2 people. How many students are doing exercises on the playground?
学生在操场上列队做操，人数在90至110之间，如果排成3列不多也不少，如果排成5列则少2人，如果排成7列则少4人．一共有多少学生在操场上做操？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

<gadget id="calculator">105 + 3</gadget>
<output>108</output>

<result>108</result>