Mom bought 15 meters of white cloth, and the floral cloth she bought was 1/3 more than the white cloth. How many meters to buy flower cloth?
妈妈买了白布15米，买的花布比白布多(1/3)．买花布多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">15 * (4/3)</gadget>
<output>20</output>

<result>20</result>