proper fraction (3/5) improper fraction (9/5) mixed fraction(mixed number) 2 1/3
ex) six more than the product of 2 and 3 여기서 six more than은 +(plus)를 의미함.
-> 6 + 2 * 3
ex) the difference between 21 and the product of 3 and 4 여기서 the difference는 차이 즉 -(minus)를 의미함.
-> 21 - 3 * 4