Our county planted 150,000 trees last year, and this year plans to plant more trees (1/3) than last year. How many more trees are planned to be planted this year than last year?
我县去年植树15万棵，今年计划比去年多植树(1/3)，今年计划比去年多植树多少棵？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<result>5</result>