Does a sentencing court have to get its math correct when calculating the applicable federal sentencing guidelines?

QUESTION PRESENTED FOR REVIEW The Court of Appeals erred by not requiring the District Court to correctly apply the Federal Sentencing Guidelines. Specifically, the sentencing court 1) incorrectly calculated the amount of methamphetamine (actual) under Section 2D1.1(c) of the Federal Sentencing Guidelines and 2) incorrectly calculated the Defendant’s criminal history points under Sections 4A1.1 & 4A1.2 of the Federal Sentencing Guidelines. Does a sentencing court have to get its math correct when calculating the applicable federal sentencing guidelines?