Math working in Product page but displays not the right price in cart/checkout

Cookies are important to the proper functioning of our sites. To improve your experience we use cookies to remember log-in details and provide secure log-in, collect statistics to optimize site functionality, and deliver content tailored to your interests. Click Agree and Proceed to accept cookies and go directly to the site or click on More Information to see detailed descriptions of the types of cookies and choose whether to accept certain cookies while on the site. Selecting "Ask me later" will enable cookies for the next 24 hours.