syntax = "proto3";
package calculator;

// The example service definition.
service CalculatorService {
  // Multiplication function
  rpc Multiply (RequestArgument) returns (ReturnData) {}
}

// The request message containing the 2 numbers to add.
message RequestArgument {
  int32 num1 = 1;
  int32 num2 = 2;
}

// The response message result
message ReturnData {
    int32 result = 1;
}