The school planted 120 trees this year, 5 more than last year (3/5). How many trees were planted last year?
学校今年植树120棵，比去年的(3/5)多5棵，去年植树多少棵？
<gadget id="calculator">120 - 5</gadget>
<output>115</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">115 / (3/5)</gadget>
<output>575/3 = around 191.666667</output>

<result>575/3 = around 191.666667</result>