Support multiplication and division by number primatives

Author: jonathantneal

lib/CSSNumericValue.js

@@ -39,6 +39,10 @@ export default class CSSNumericValue {
 		const values = []
 
 		for (let arg of args) {
+			if (typeof arg === 'number') {
+				arg = new CSSUnitValue(arg, 'number')
+			}
+
 			if (arg instanceof Constructor) {
 				if (values.length || result.unit !== arg.unit && arg.unit !== 'number') {
 					values.push(arg)
@@ -99,6 +103,10 @@ export default class CSSNumericValue {
 		const values = []
 
 		for (let arg of args) {
+			if (typeof arg === 'number') {
+				arg = new CSSUnitValue(arg, 'number')
+			}
+
 			if (arg instanceof Constructor) {
 				if (values.length || result.unit !== arg.unit && arg.unit !== 'number') {
 					values.push(arg)