The asian girl is correct. The others are behaving rudely in a place that is supposed to be quiet. This is not a diner or random place in the quad, it is the library. Had I been there, there wouldn't have been "just one" on her side. If you watch this, my friend, know that I have your back in spi...
Here is the math, for those who wish to know *why* this works:
1st 3 digits - We'll call them XXX.
Multiply by 80 = 80(XXX)
Add 1 = 80(XXX)+1
Multiply by 250 = 20,000(XXX)+250
Add last 4 digits twice. We'll call these YYYY.
Now we have 20,000(XXX)+250+2(YYYY)
Subtract 250 = 20,000(XXX)+2(YYYY)
Di...