To use the node in your project you should have the koadrobot/maths library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.
C++ implementation
#pragma XOD dirtieness disable
struct State {
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
auto x = getValue<input_IN1>(ctx);
auto y = getValue<input_IN2>(ctx);
emitValue<output_OUT>(ctx, x * y);
}