As part of a special test, the school has brought the students to an uninhabited tropical island where they must now live for a week. Their performance on the test can have an enormous impact on the point standings of the four classes.
I was turning over similar 
numbers in my mind.
كنتُ أجري حسابات مماثلة في دماغي
Ich habe schon ähnliche
Zahlen ausgerechnet.
Pensaba en una cantidad similar.
Pensaba en una cantidad similar.
J’ai aussi obtenu à peu près
les mêmes chiffres.
Avevo fatto un calcolo molto simile anch'io.
Eu estava com números
 parecidos na cabeça.
Я производила в голове схожие расчёты.