A farm planted 120 peach trees this year, 40 fewer than last year (4/5). How many peach trees were planted last year?
某农场今年种桃树120棵，比去年的(4/5)少40棵，去年种桃树多少棵？
<gadget id="calculator">120 + 40</gadget>
<output>160</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">160 / (4/5)</gadget>
<output>200</output>

<result>200</result>