The forest farm planted 4,200 trees last year, and this year it planted more (1/6) than last year. How many trees are planted this year?
林场去年植树4200棵，今年比去年多植(1/6)，今年植树多少棵？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">4_200 * (1/6)</gadget>
<output>700</output>

<gadget id="calculator">4_200 + 700</gadget>
<output>4_900</output>

<result>4_900</result>