The engineering team wants to build an 8-kilometer road, and it has already built 3 kilometers. How many kilometers will be repaired to just repair this road (3/4)? how many kilometers
工程队要修一条8千米的路，已经修了3千米，再修多少千米正好修这条路的(3/4)？多少千米
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">8 * (3/4)</gadget>
<output>6</output>

<gadget id="calculator">6 - 3</gadget>
<output>3</output>

<result>3</result>