The sixth grade students planted 150 trees, and the fifth grade planted 40% more trees than the sixth grade. How many trees were planted in the fifth grade?
小学六年级学生植树150棵，五年级比六年级植树多40%，五年级植树多少棵？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">150 * (7/5)</gadget>
<output>210</output>

<result>210</result>