The school carried out greening campus activities, and planned to divide the tree planting task between the sixth grade and the fifth grade according to the ratio of 5:4. The sixth grade actually completed all the tasks (5/8), so 10 more trees were planted than planned. How many trees did fifth grade actually plant?
学校开展绿化校园活动，计划把植树任务按5：4的比例分给六年级和五年级完成．六年级实际完成全部任务的(5/8)，这样比计划多植树10棵．五年级实际植树多少棵？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/8) - (5/9)</gadget>
<output>5/72 = around 0.069444</output>

<gadget id="calculator">10 / (5/72)</gadget>
<output>144</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">144 * (3/8)</gadget>
<output>54</output>

<result>54</result>