1000 men have provisions for 15 days. if 300 more men join them, for how many days will the provisions last now? Choose the most appropriate option:
A) 11.5	B) 12.5	C) 12.6	D) 12.2	E) 12.1
<gadget id="calculator">15 * 1_000</gadget>
<output>15_000</output>

<gadget id="calculator">1_000 + 300</gadget>
<output>1_300</output>

<gadget id="calculator">15_000 / 1_300</gadget>
<output>150/13 = around 11.538462</output>

<result>A</result>
1000 men have provisions for 15 days. if 300 more men join them, for how many days will the provisions last now?
divide(multiply(15, 1000), add(1000, 300))
"1000 * 15 = 1300 * x x = 11.5 answer : a"