टाइल अनुमानक

$A = L_a \cdot W_a$

$A_t = (L_t + g)(W_t + g)$

$N = \left\lceil \frac{A}{A_t} \right\rceil$

$N_w = \left\lceil N \cdot \left(1 + \frac{w}{100}\right) \right\rceil$

$B = \left\lceil \frac{N_w}{10} \right\rceil$