Naive {Namjoon ff}

four

"Ugh, I still don't understand it!", Yuna groaned, banging her head on the table. "Yuna, it's not that hard. Just divide the decimal by this exponent, then square it and convert it to a fraction," you said as you turned the page to your math textbook. "What language are you speaking?"

"English?" "Smart ass language," she sighed. 'I'm never going to pass a math exam..' "Here, I'll help you."

Days had passed and it was time for the math exam. 

"Good luck Yuna!", you smiled, sitting down at your desk. "I don't need luck," Yuna laughed, confidently. "Good afternoon class, are you all ready for the exam?" Different students had different answers. "I'll pass out the test papers, once you receive it you may begin. Stay quiet or you will receive a zero on your exam." 

You received your paper and began.