The original price of a commodity is 200 yuan, and now it is sold at a 30% discount. What is the current price of this commodity?
一种商品的原价是200元，现在打7折出售，这种商品的现价是多少元？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">200 * (7/10)</gadget>
<output>140</output>

<result>140</result>