The fifth grade teachers and students donated 45 books to Hope Primary School, the sixth grade donated more than the fifth grade (2/15), how many books did the sixth grade teachers and students donate?
五年级师生向希望小学捐书45本，六年级比五年级多捐(2/15)，六年级师生捐书多少本？
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">1 + (2/15)</gadget>
<output>17/15 = around 1.133333</output>

<gadget id="calculator">45 * (17/15)</gadget>
<output>51</output>

<result>51</result>