The number of apples is the number of pears (8/3), and there are 15 more apples than pears, how many pears are there
苹果个数是梨的(8/3)，苹果比梨多15个，则梨有多少
<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">(8/3) - 1</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">15 / (5/3)</gadget>
<output>9</output>

<result>9</result>