April 23rd is "World Book Day". The school youth league committee plans to collect a number of books to donate to children in the community. The actual number of books raised is 51 more than the plan, so that each recipient can receive the same number of books. , the number of beneficiaries is 17 less than twice the original plan, and it is known that the actual number of beneficiaries exceeds 50, but not more than 60, how many books were originally planned to be raised?
4月23日为"世界读书日"，校团委计划募集若干本图书捐赠给社区儿童，实际募集的图书比计划增加了51本，从而使每位受赠者在所得书本数量不变的情况下，受赠人数比原计划的两倍少17人，已知实际受赠人数超过50人，但不超过60人，则原计划募集图书多少本？
<gadget id="calculator">51 / 3</gadget>
<output>17</output>

<gadget id="calculator">17 + 17</gadget>
<output>34</output>

<gadget id="calculator">34 * 3</gadget>
<output>102</output>

<result>102</result>