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<?php
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$a = fgets(STDIN);
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$b = fgets(STDIN);
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echo
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"sum: ", $a + $b, "\n",
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"difference: ", $a - $b, "\n",
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"product: ", $a * $b, "\n",
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"truncating quotient: ", (int)($a / $b), "\n",
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"flooring quotient: ", floor($a / $b), "\n",
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"remainder: ", $a % $b, "\n";
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?>
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