Combine the vice of Peaches with the cut ‘n’ paste aesthetic of Chicks on Speed and the rock ‘n’ roll attitude of Joan Jett, and you have Tara Delong. On You Do the Math, Delong freestyles through simplistic, if taboo, lyrics about plastic surgery (“Silicone Joan”), trashy fat girls (“Big Butt Daniela”) and scoring drugs (“Overdose Scare”). This Mexico City-by-way-of-New-York denizen pulls out plenty of surprises-indie ballads, Rob Zombie-meets-glitch beats and dirty raps in Spanish-but, like most indie rap albums, You Do the Math is best swallowed one kitschy track at a time.