The original price of a pair of trousers is 120 yuan. After the price is increased by 30%, what is the current price?
一条裤子，原价120元，提价30%以后，现在售价是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">120 * (13/10)</gadget>
<output>156</output>

<result>156</result>