If there are more than 100 but not more than 140 fourth-grade students in Nanjing Road Primary School, divide them into groups of 7 students, with an extra 3 students, and divide them into groups of 8 students, with an additional 3 students. How many fourth-grade students are there in this primary school?
南京路小学四年级学生超过100人，而不超过140人，将他们按每组7人分，多3人，按每组8人分，也多3人，这所小学四年级共有多少人？
<gadget id="calculator">56 * 2</gadget>
<output>112</output>

<gadget id="calculator">112 + 3</gadget>
<output>115</output>

<result>115</result>