When participating in spring tree planting, 98 students from the fifth grade went to plant 25 trees each; 58 students from the fourth grade went to plant 25 trees each. How many more trees are planted in fifth grade than in fourth grade?
参加春季植树时，五年级去了98人，每人植树25棵；四年级去了58人，每人植树25棵．五年级比四年级多植树多少棵？
<gadget id="calculator">98 - 58</gadget>
<output>40</output>

<gadget id="calculator">40 * 25</gadget>
<output>1_000</output>

<result>1_000</result>