The original price of a kind of clothing is 150 yuan. After a 30% discount, how much is the current price?
一种服装原价150元，打七折后，现在售价为多少元．
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">150 * (7/10)</gadget>
<output>105</output>

<result>105</result>