Fatal error: Uncaught TypeError: Unsupported operand types: string * float in /home/1247493.cloudwaysapps.com/bfzpzmeuus/public_html/text/geometry/tank.php:54
Stack trace:
#0 /home/1247493.cloudwaysapps.com/bfzpzmeuus/public_html/geometry-calculators.php(40): include()
#1 /home/1247493.cloudwaysapps.com/bfzpzmeuus/public_html/solved-example.php(35): include('/home/1247493.c...')
#2 {main}
thrown in /home/1247493.cloudwaysapps.com/bfzpzmeuus/public_html/text/geometry/tank.php on line 54