diff --git a/src/lib/expr.ts b/src/lib/expr.ts
index f4a72de..c0d1e96 100644
--- a/src/lib/expr.ts
+++ b/src/lib/expr.ts
@@ -80,13 +80,13 @@ const Operators: TokenHandler[] = [
     leftBindingPower: 20,
     token: TIMES_TOKEN,
     parse: ({ value: left }, matched, parser) =>
-      map(parser.parseSubExpression(11), (right) => ({ value: left * right })),
+      map(parser.parseSubExpression(21), (right) => ({ value: left * right })),
   },
   {
     leftBindingPower: 20,
     token: FLOOR_TOKEN,
     parse: ({ value: left }, matched, parser) =>
-      map(parser.parseSubExpression(11), (right) => ({
+      map(parser.parseSubExpression(21), (right) => ({
         value: Math.floor(left / right),
       })),
   },
@@ -94,7 +94,7 @@ const Operators: TokenHandler[] = [
     leftBindingPower: 20,
     token: DIV_TOKEN,
     parse: ({ value: left }, matched, parser) =>
-      map(parser.parseSubExpression(11), (right) => ({ value: left / right })),
+      map(parser.parseSubExpression(21), (right) => ({ value: left / right })),
   },
 ];