A class of students line up to do exercises, if there are 3 people in each row, there will be one more student; if there are 6 students in each row, there will be 4 more students; if there are 7 students in each row, there will be 5 more students. How many people are there at least in this class?
某班学生排队做操，如果每排3人，就多出1人；如果每排6人，就多出4人；如果每排7人，就多出5人．这个班至少有多少人？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

<gadget id="calculator">105 - 2</gadget>
<output>103</output>

<result>103</result>