Xiaohong folded 15 flowers, and the number of flowers Xiaofang folded was Xiaohong's (2/3) and Xiaoli's (2/7). How many flowers did Xiaoli fold?
小红折了15朵花，小方折的花数是小红的(2/3)，又是小丽的(2/7)．小丽折了多少朵花？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">(2/3) / (2/7)</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">15 * (7/3)</gadget>
<output>35</output>

<result>35</result>