The students planted trees. The fourth grade planted 58 trees, and the fifth grade planted 29 trees three times less than the fourth grade. How many more trees are planted in fifth grade than in fourth grade? (calculate with comprehensive formula)
同学们栽树，四年级栽了58棵，五年级栽的棵数比四年级的3倍少29棵．五年级比四年级多栽多少棵？(用综合算式计算)
<gadget id="calculator">58 * 3</gadget>
<output>174</output>

<gadget id="calculator">174 - 29 - 58</gadget>
<output>87</output>

<result>87</result>