Kirill is 14 less centimeters in height than his brother. Together their heights equal 112 centimeters. How tall is Kirill in centimeters?
Let B = brother's height in cm.
Kirill = B - 
<gadget id="calculator">14</gadget>
<output>14</output>
14
2B - 14 = 112 cm
2B = 126.
B = 
<gadget id="calculator">63</gadget>
<output>63</output>
63 cm.
Kirill = 63 - 14 = 
<gadget id="calculator">63-14</gadget>
<output>49</output>
49 cm.
Kirill is 49 centimeters tall.

<result>49</result>