Watermelons have more mass (3/4) than apples, and watermelons account for ((())/(())) of the total mass of these two fruits.
西瓜的质量比苹果多(3/4)，西瓜占这两种水果总质量的((())/(()))．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">1 + (3/4) + 1</gadget>
<output>11/4 = around 2.75</output>

<gadget id="calculator">(7/4) / (11/4)</gadget>
<output>7/11 = around 0.636364</output>

<result>7/11 = around 0.636364</result>