The bumper car project in the Children's Park used to charge 5 yuan for every 10 minutes of play, but the price was adjusted on Children's Day and reduced by (1/5). In this way, how much less can you pay for every 10 minutes of playing with bumper cars than before?
儿童乐园的碰碰车项目，原来每玩10分钟收5元，六一儿童节那天调整了价格，降低了(1/5)，这样每玩10分钟碰碰车，比原来可以少付多少元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<result>1</result>