presto-main/src/main/java/io/prestosql/type/DecimalOperators.java/DecimalOperators/multiplyShortLongLong
class DecimalOperators:    @UsedByGeneratedCode
    public static Slice multiplyShortLongLong(long a, Slice b)
    {
        return multiplyLongLongLong(encodeUnscaledValue(a), b);
    }