Xinming machine tool produced 50 machine tools last year, and this year's production increased (1/5) compared with last year. How much is this year's increase compared with last year?
新明机床产去年生产机床50台，今年比去年增产(1/5)，今年比去年增产多少台？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">50 * (1/5)</gadget>
<output>10</output>

<result>10</result>