message: Silence clippy::suspicious_arithmetic_impl
diff: @@ -213,6 +213,7 @@ impl ops::Sub for Decimal {
  impl ops::Mul for Decimal {
  type Output = Self;
  + #[allow(clippy::suspicious_arithmetic_impl)]
  fn mul(self, other: Self) -> Self {
  // Decimals are fractions. We can multiplby two decimals a and b
  // via
  