It's arithmetic
from Barack Obama (Ft. Jim Lehrer & Mitt Romney) – First Presidential Debate of 2012 on Rap Genius
Meaning
Channeling his inner Bill Clinton, Barack Obama references the 42nd President of the United States‘ DNC speech, where he mentioned that handling economical issues is “Just arithmetic”. Here is an excerpt from the DNC in which Clinton spoke on arithmetic.
http://www.youtube.com/watch?v=AX3a-2yrQwY
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