The original price of a toy car is 150 yuan, which is now reduced by (1/5), what is the current price in yuan.
一种玩具车原价150元，现降(1/5)，现价为多少元元．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">150 * (1/5)</gadget>
<output>30</output>

<gadget id="calculator">150 - 30</gadget>
<output>120</output>

<result>120</result>