begin
    x = ex.body.body.body.lhs.tns.bind
    x_val = x.val
    tns_lvl = ex.body.body.body.rhs.tns.bind.body.lvl
    tns_lvl_2 = tns_lvl.lvl
    tns_lvl_3 = tns_lvl_2.lvl
    tns_lvl_3_val = tns_lvl_3.lvl.val
    for i_3 = 1:tns_lvl.shape
        tns_lvl_q = (1 - 1) * tns_lvl.shape + i_3
        for j_3 = 1:tns_lvl_2.shape
            tns_lvl_2_q = (tns_lvl_q - 1) * tns_lvl_2.shape + j_3
            for k_3 = 1:tns_lvl_3.shape
                tns_lvl_3_q = (tns_lvl_2_q - 1) * tns_lvl_3.shape + k_3
                tns_lvl_4_val = tns_lvl_3_val[tns_lvl_3_q]
                x_val = tns_lvl_4_val + x_val
            end
        end
    end
    (x = (Scalar){0.0, Float64}(x_val),)
end
