---
id: 5d79253378595ec568f70ab6
title: Part 11
challengeType: 0
dashedName: part-11
---
# --description--
Add similar definitions for `-`, `*` and `/` in `infixToFunction`.
# --hints--
See description above for instructions.
```js
assert(
infixToFunction['-'](10, 2) === 8 &&
infixToFunction['*'](10, 10) === 100 &&
infixToFunction['/'](100, 10) === 10
);
```
# --seed--
## --before-user-code--
```html
Spreadsheet
```
## --after-user-code--
```html
```
## --seed-contents--
```html
```
# --solutions--
```html
```