A bamboo pole with a length of 4 meters is inserted into a pond. (3/4) meters are exposed outside, and the depth of the water is (5/4) meters. How many meters are inserted into the mud?
一根长4米的竹竿插入池塘中，露在外面的有(3/4)米，水深(5/4)米，插入泥中的有多少米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(3/4) + (5/4)</gadget>
<output>2</output>

<gadget id="calculator">4 - 2</gadget>
<output>2</output>

<result>2</result>