python3

def divisor(n):
    div = []
    for i in range(1,n+1):
        if i == 1 or i == n:
            div.append(i)
        else:
            if n % i == 0:
                div.append(i)
    
    return div
    
def restaurant(l,b):
    # Write your code here
    divl = divisor(l)
    divb = divisor(b)
    common = []
    for i in divl:
        if i in divb:
            common.append(i)
            
    maximum = max(common)
    total = int((l/maximum)*(b/maximum))
    return total