Teacher Zhou gave Class 2 two math problems. It was stipulated that 3 points would be awarded for the first question, 4 points for the second question, and 0 points for not doing or doing wrong. It is known that there are 68 students in the whole class, at least how many students have the same score?
周老师给六2班出了两道数学问题，规定做对第一题得3分，做对第二题得4分，没做或做错得0分．已知全班共有68个学生，至少有几个学生得分相同？
<gadget id="calculator">68 / 4</gadget>
<output>17</output>

<result>17</result>