chore: rename variable

Author: Razinsky

src/checkAndEvaluateMath.ts

@@ -128,8 +128,8 @@ function parseAndReduce(expr: string, fractionDigits = defaultFractionDigits): s
   }
 
   // the outer Number() gets rid of insignificant trailing zeros of decimal numbers
-  const reducedTo3Fixed = Number(Number.parseFloat(`${result}`).toFixed(fractionDigits));
-  result = resultUnit ? `${reducedTo3Fixed}${resultUnit}` : reducedTo3Fixed;
+  const reducedToFixed = Number(Number.parseFloat(`${result}`).toFixed(fractionDigits));
+  result = resultUnit ? `${reducedToFixed}${resultUnit}` : reducedToFixed;
   return result;
 }