Fengshou Township harvested 4,000 tons of corn last year, and this year it harvested 15% more than last year. How many tons of corn are harvested this year?
丰收乡去年收获玉米的总量为4000吨，今年比去年多收获一成五，今年收获玉米多少吨？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">4_000 * (23/20)</gadget>
<output>4_600</output>

<result>4_600</result>