4 pears weigh (4/5) kg, how much does each pear weigh on average? what is the correct formula
4个梨重(4/5)千克，平均每个梨重多少千克？正确的算式是多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) / 4</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>