​In the following questions, the actual mathematical symbols have been substituted by other notations and symbols. You are required to ascertain the actual symbols and arrive at the correct conclusion from the alternatives given below:If ’x’ stands for add, 'Y’ stands for subtract, ‘z’ stands for divide and 'p’ stands for multiply, then what is the value of (7p3)y 6x5?

• A. 5
• B. 10
• C. 15
• D. 20