Change Watt Number in Normal number

Hello, please excuse my bad english.
In my IoBroker, I want a number in an adapter, e.g. Convert "197.20000000000002 W" to a 'normal' number like e.g. "197" how could I realize this in Node Red?

In a function node

msg.payload = parseInt(msg.payload); // or parseFloat if you want a decimal number
return msg;


in a change node
set msg. payload
to value of J: $number(substringBefore($$.payload, "."))
Or change "." to " " for a decimal number

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