1.5 tons of rice are shipped in at two points, flour is more (1/2) tons than rice, and miscellaneous grains is less than flour (1/4) tons, how many tons of grains are shipped in total?
某两点运进大米1.5吨，面粉比大米多(1/2)吨，杂粮比面粉少(1/4)吨，问共运进多少吨粮食？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1.5 + 1.5 + (1/2) + 1.5 + (1/4)</gadget>
<output>5.25</output>

<result>5.25</result>