Add evaluate function

@@ -329,7 +329,7 @@ Library         Selenium2Library
   ${last_amount}=  Get Text         id=max_bid_amount_price
   ${last_amount}=  convert_amount_string_to_float  ${last_amount}
   ${extra_amount}=  convert_amount_string_to_float  ${extra_amount}
-  ${last_amount}=  add_and_round  ${last_amount}  ${extra_amount}
+  ${last_amount}=  Evaluate  ${last_amount}+${extra_amount}
   Поставити ставку  ${last_amount}  Надто висока заявка
 
 

@@ -524,10 +524,6 @@ def mult_and_round(*args, **kwargs):
     return round(reduce(operator.mul, args), kwargs.get('precision', 2))
 
 
-def add_and_round(arg1, arg2):
-    return float(arg1 + arg2)
-
-
 def generate_test_bid_data_second_stage(tender_data, index='0'):
     bid = test_bid_data()
     if index.isdigit():