import sys

first_number = float(sys.argv[1])
second_number = float(sys.argv[2])

result_sum = first_number + second_number
print(f"{first_number} plus {second_number} equals {result_sum}")

result_difference = first_number - second_number
print(f"{first_number} minus {second_number} equals {result_difference}")

result_product = first_number * second_number
print(f"{first_number} times {second_number} equals {result_product}")

result_quotient = first_number / second_number
print(f"{first_number} divided by {second_number} equals {result_quotient}")