A group of students are divided into groups according to the specified number. If it is divided into 10 groups, there will be 15 more students. If it is divided into 12 groups, there will be 3 more students. How many students are there in this group?
一批学生，按规定人数分组．如果分成10组，就多15人，如果分成12组，就多3人，这批学生一共有多少人．
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<result>75</result>