def mul128_mid
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as W64import Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
404def mul128_mid(+p00: W.U64, +p01: W.U64, +p10: W.U64, +p11: W.U64) -> W.U64 & W.U64:
405 mul128_fin(p00, add(p01, p10), add_over(p01, p10), p11)