"61" Children's Day, the school held a painting competition. The total number of award-winning works in the fifth grade is 48, which is (4/3) the total number of award-winning works in the fourth grade, and the total number of award-winning works in the fourth grade is equivalent to (4/5) in the sixth grade. What is the total number of award-winning works in grade six?
"六一"儿童节，学校举行绘画比赛．五年级获奖作品总数为48张，是四年级获奖总数的(4/3)，四年级获奖总数相当于六年级的(4/5)．六年级获奖作品总数是多少？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">48 / (4/3) / (4/5)</gadget>
<output>45</output>

<result>45</result>