Fix output for x = 2 * (a % b / b * c)

(issue #337)

lib/output.js

@@ -481,11 +481,7 @@ function OutputStream(options) {
             var so = this.operator, sp = PRECEDENCE[so];
             if (pp > sp
                 || (pp == sp
-                    && this === p.right
+                    && this === p.right)) {
-                    && !(so == po &&
-                         (so == "*" ||
-                          so == "&&" ||
-                          so == "||")))) {
                 return true;
             }
         }