60 trees were planted in the fifth grade, 4 trees less than twice as many as in the fourth grade. How many trees are planted in fourth grade
五年级种树60棵，比四年级种的2倍少4棵．四年级种树多少
<gadget id="calculator">60 + 4</gadget>
<output>64</output>

<gadget id="calculator">64 / 2</gadget>
<output>32</output>

<result>32</result>