The fifth grade teachers and students donated 150 books to Hope Primary School, and the sixth grade donated more than the fifth grade (2/15). How many books do sixth grade teachers and students donate?
五年级师生向希望小学捐书150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">150 * (17/15)</gadget>
<output>170</output>

<result>170</result>