Two baskets of oranges, A and B, are poured (1/7) from basket A to basket B. The weights of the two baskets are equal. It turns out that basket A has more oranges than basket B ((())/(())).
甲、乙两筐桔子，由甲筐倒(1/7)到乙筐，两筐桔子重量相等，原来甲筐桔子比乙筐多((())/(()))．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">7 - 2</gadget>
<output>5</output>

<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>