If 100 kg of flour is mixed with 25 kg of water to form a dough, then how much flour occupies the dough.
如果100千克的面粉中掺和25千克的水和成面粉团，那么面粉占面粉团多少．
<gadget id="calculator">100 + 25</gadget>
<output>125</output>

<gadget id="calculator">100 / 125</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>