Uncle Zhang’s family has 150 ducks, and the number of ducks is more than that of geese (2/3). How many geese do you have? (column equation solution)
张大爷家养了150只鸭，鸭的只数比鹅多(2/3)．养了多少只鹅？(列方程解答)
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">150 / (5/3)</gadget>
<output>90</output>

<result>90</result>