a man two flats for $ 675958 each. on one he gains 13 % while on the other he loses 13 %. how much does he gain or lose in the whole transaction?	Select: A) 1.69 % B) 2.56 % C) 3.12 % D) 4.65 % E) 5.12 %
<gadget id="calculator">100 + 13</gadget>
<output>113</output>

<gadget id="calculator">100 / 113</gadget>
<output>100/113 = around 0.884956</output>

<gadget id="calculator">(100/113) * 675_958</gadget>
<output>67_595_800/113 = around 598_192.920354</output>

<gadget id="calculator">100 - 13</gadget>
<output>87</output>

<gadget id="calculator">100 / 87</gadget>
<output>100/87 = around 1.149425</output>

<gadget id="calculator">(100/87) * 675_958</gadget>
<output>67_595_800/87 = around 776_963.218391</output>

<gadget id="calculator">(67_595_800/113) + (67_595_800/87)</gadget>
<output>13_519_160_000/9_831 = around 1_375_156.138745</output>

<gadget id="calculator">675_958 + 675_958</gadget>
<output>1_351_916</output>

<gadget id="calculator">(13_519_160_000/9_831) - 1_351_916</gadget>
<output>228_473_804/9_831 = around 23_240.138745</output>

<gadget id="calculator">(228_473_804/9_831) / (13_519_160_000/9_831)</gadget>
<output>169/10_000 = around 0.0169</output>

<gadget id="calculator">(169/10_000) * 100</gadget>
<output>169/100 = around 1.69</output>

<result>A</result>
a man two flats for $ 675958 each. on one he gains 13 % while on the other he loses 13 %. how much does he gain or lose in the whole transaction?
multiply(divide(subtract(add(multiply(divide(const_100, add(const_100, 13)), 675958), multiply(divide(const_100, subtract(const_100, 13)), 675958)), add(675958, 675958)), add(multiply(divide(const_100, add(const_100, 13)), 675958), multiply(divide(const_100, subtract(const_100, 13)), 675958))), const_100)
"in such a case there is always a loss loss % = ( 13 / 10 ) ^ 2 = 120 / 71 = 1.69 % answer is a"