The number A is 160, the number B is (3/4) of the number A, what is the average of the two numbers A and B?
甲数是160，乙数是甲数的(3/4)，甲、乙两数的平均数是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">160 * (3/4)</gadget>
<output>120</output>

<gadget id="calculator">120 + 160</gadget>
<output>280</output>

<gadget id="calculator">280 / 2</gadget>
<output>140</output>

<result>140</result>