---
title: "*=(_:_:)"
framework: swift
role: symbol
role_heading: Operator
path: "swift/numeric/*=(_:_:)"
---

# *=(_:_:)

Multiplies two values and stores the result in the left-hand-side variable.

## Declaration

```swift
static func *= (lhs: inout Self, rhs: Self)
```

## Parameters

- `lhs`: The first value to multiply.
- `rhs`: The second value to multiply.