An orchard produced 100 tons of apples last year, and this year it has increased (1/5) compared to last year. How many tons of apples will it produce this year? (Answer in two ways.)
一个果园去年产苹果100吨，今年比去年增产(1/5)，今年产苹果多少吨？(用两种方法解答．)
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>

<gadget id="calculator">100 + 20</gadget>
<output>120</output>

<result>120</result>