The students planted trees. The fourth grade planted 32 trees, and the fifth grade planted 18 trees three times more than the fourth grade. How many more trees are planted in fifth grade than in fourth grade?
同学们栽树，四年级栽了32棵，五年级栽的棵数比四年级的3倍多18棵．五年级比四年级多栽多少棵？
<gadget id="calculator">18 - 32</gadget>
<output>-14</output>

<gadget id="calculator">103 + (-14)</gadget>
<output>89</output>

<result>89</result>