var amountWithCurrency by remember { mutableStateOf("$currencySymbol 0") }
var amount by remember { mutableStateOf("") }

NumberKeyboard(
    amount = amount,
    listener = object : NumberKeyboardListener {
        override fun onUpdated(data: NumberKeyboardData) {
            amountWithCurrency = data.currency
            amount = data.rawAmount
        }
    }
)