@Tool(description = "Multiply two numbers together")
    public String multiply(double a, double b) {
        double result = a * b;
        return formatResult(a, "*", b, result);
    }
Multiply two numbers
@param a The first number
@param b The second number
@return The product of the two numbers
03-GettingStarted/01-first-server/solution/java/src/main/java/com/microsoft/mcp/sample/server/service/CalculatorService.java