The mass of a new environmentally friendly brick is its (3/4) plus (3/4) kilograms, how many kilograms per piece of this new environmentally friendly brick.
一块新型环保砖的质量是它的(3/4)再加上(3/4)千克，这种新型环保砖每块多少千克．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) / (1/4)</gadget>
<output>3</output>

<result>3</result>