Xiao Jun has 28 glass balls, and Xiao Li has more glass balls than Xiao Jun (2/7). How many glass balls does Xiao Li have?
小军有28颗玻璃球，小李的玻璃球比小军多(2/7)．小李有多少颗玻璃球？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 + (2/7)</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">28 * (9/7)</gadget>
<output>36</output>

<result>36</result>