The students planted trees. The fourth grade planted 32 trees, and the sixth grade planted 18 trees three times less than the fourth grade. How many trees did the two grades plant in total?
同学们栽树，四年级栽了32棵，六年级栽的棵数比四年级的3倍少18棵．两个年级一共栽了多少棵？
<gadget id="calculator">32 * 3</gadget>
<output>96</output>

<gadget id="calculator">96 - 18</gadget>
<output>78</output>

<gadget id="calculator">78 + 32</gadget>
<output>110</output>

<result>110</result>