Aunt Wang's family's grain output last year was 3.2 tons, and this year it has increased by 20% compared to last year. What is the grain output of her family this year?
王大娘家去年粮食产量是3.2吨，今年比去年增产二成，她家今年的粮食产量是多少吨．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">3.2 * (6/5)</gadget>
<output>3.84</output>

<result>3.84</result>